diff --git a/backend/models/chat/rights.js b/backend/models/chat/rights.js
index a171e11..cf2a42d 100644
--- a/backend/models/chat/rights.js
+++ b/backend/models/chat/rights.js
@@ -17,6 +17,7 @@ const ChatRight = sequelize.define('ChatRight', {
     tableName: 'rights',
     timestamps: false,
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default ChatRight;
diff --git a/backend/models/chat/room.js b/backend/models/chat/room.js
index d02eec6..9a68239 100644
--- a/backend/models/chat/room.js
+++ b/backend/models/chat/room.js
@@ -11,20 +11,20 @@ const Room = sequelize.define('Room', {
         type: DataTypes.TEXT,
         allowNull: false,
     },
-    ownerId: {
+    owner_id: {
         type: DataTypes.INTEGER,
         allowNull: true, // kann null sein, wenn system-owned
     },
-    roomTypeId: {
+    room_type_id: {
         type: DataTypes.INTEGER,
         allowNull: true,
     },
-    isPublic: {
+    is_public: {
         type: DataTypes.BOOLEAN,
         allowNull: false,
         defaultValue: true,
     },
-    genderRestrictionId: {
+    gender_restriction_id: {
         type: DataTypes.INTEGER,
         allowNull: true,
     },
@@ -32,24 +32,24 @@ const Room = sequelize.define('Room', {
         type: DataTypes.STRING,
         allowNull: true,
     },
-    minAge: {
+    min_age: {
         type: DataTypes.INTEGER,
         allowNull: true,
     },
-    maxAge: {
+    max_age: {
         type: DataTypes.INTEGER,
         allowNull: true,
     },
-    passwordHash: {
+    password_hash: {
         type: DataTypes.TEXT,
         allowNull: true,
     },
-    friendsOfOwnerOnly: {
+    friends_of_owner_only: {
         type: DataTypes.BOOLEAN,
         allowNull: false,
         defaultValue: false,
     },
-    requiredUserRightId: {
+    required_user_right_id: {
         type: DataTypes.INTEGER,
         allowNull: true,
     },
@@ -62,7 +62,8 @@ const Room = sequelize.define('Room', {
         {
             name: 'idx_chat_room_owner',
             fields: ['owner_id'],
-        },
+        ,
+        freezeTableName: true},
     ],
 });
 
diff --git a/backend/models/chat/room_type.js b/backend/models/chat/room_type.js
index 3dfd64c..56924d6 100644
--- a/backend/models/chat/room_type.js
+++ b/backend/models/chat/room_type.js
@@ -17,6 +17,7 @@ const RoomType = sequelize.define('RoomType', {
     tableName: 'room_type',
     timestamps: false,
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default RoomType;
diff --git a/backend/models/chat/user.js b/backend/models/chat/user.js
index 6d73fe2..2bd29ef 100644
--- a/backend/models/chat/user.js
+++ b/backend/models/chat/user.js
@@ -36,6 +36,7 @@ const ChatUser = sequelize.define('ChatUser', {
     tableName: 'user',
     timestamps: true,
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default ChatUser;
diff --git a/backend/models/chat/user_rights.js b/backend/models/chat/user_rights.js
index e0b807d..c9c22ee 100644
--- a/backend/models/chat/user_rights.js
+++ b/backend/models/chat/user_rights.js
@@ -4,13 +4,13 @@ import ChatUser from './user.js';
 import ChatRight from './rights.js';
 
 const ChatUserRight = sequelize.define('ChatUserRight', {
-    chatUserId: {
+    chat_user_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
         primaryKey: true,
         references: null, // Assoziation wird separat gesetzt
     },
-    chatRightId: {
+    chat_right_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
         primaryKey: true,
@@ -21,6 +21,7 @@ const ChatUserRight = sequelize.define('ChatUserRight', {
     tableName: 'user_rights',
     timestamps: false,
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default ChatUserRight;
diff --git a/backend/models/community/blog.js b/backend/models/community/blog.js
index 4cc1050..67c9547 100644
--- a/backend/models/community/blog.js
+++ b/backend/models/community/blog.js
@@ -4,7 +4,7 @@ import { sequelize } from '../../utils/sequelize.js';
 class Blog extends Model {}
 
 Blog.init({
-  userId: {
+  user_id: {
     type: DataTypes.INTEGER,
     allowNull: false,
     field: 'user_id'
@@ -23,12 +23,12 @@ Blog.init({
     allowNull: false,
     defaultValue: 'public',
   },
-  ageMin: {
+  age_min: {
     type: DataTypes.INTEGER,
     allowNull: true,
     field: 'age_min'
   },
-  ageMax: {
+  age_max: {
     type: DataTypes.INTEGER,
     allowNull: true,
     field: 'age_max'
@@ -38,12 +38,12 @@ Blog.init({
     type: DataTypes.STRING(10),
     allowNull: true,
   },
-  createdAt: {
+  created_at: {
     type: DataTypes.DATE,
     defaultValue: DataTypes.NOW,
     field: 'created_at'
   },
-  updatedAt: {
+  updated_at: {
     type: DataTypes.DATE,
     defaultValue: DataTypes.NOW,
     field: 'updated_at'
@@ -55,6 +55,7 @@ Blog.init({
   schema: 'community',
   timestamps: true,
   underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default Blog;
diff --git a/backend/models/community/blog_post.js b/backend/models/community/blog_post.js
index 4460f1d..8240f43 100644
--- a/backend/models/community/blog_post.js
+++ b/backend/models/community/blog_post.js
@@ -4,12 +4,12 @@ import { sequelize } from '../../utils/sequelize.js';
 class BlogPost extends Model {}
 
 BlogPost.init({
-  blogId: {
+  blog_id: {
     type: DataTypes.INTEGER,
     allowNull: false,
     field: 'blog_id'
   },
-  userId: {
+  user_id: {
     type: DataTypes.INTEGER,
     allowNull: false,
     field: 'user_id'
@@ -22,12 +22,12 @@ BlogPost.init({
     type: DataTypes.TEXT,
     allowNull: false,
   },
-  createdAt: {
+  created_at: {
     type: DataTypes.DATE,
     defaultValue: DataTypes.NOW,
     field: 'created_at'
   },
-  updatedAt: {
+  updated_at: {
     type: DataTypes.DATE,
     defaultValue: DataTypes.NOW,
     field: 'updated_at'
@@ -39,6 +39,7 @@ BlogPost.init({
   schema: 'community',
   timestamps: true,
   underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default BlogPost;
diff --git a/backend/models/community/diary.js b/backend/models/community/diary.js
index 5773a73..6fb150b 100644
--- a/backend/models/community/diary.js
+++ b/backend/models/community/diary.js
@@ -4,7 +4,7 @@ import { sequelize } from '../../utils/sequelize.js';
 class Diary extends Model { }
 
 Diary.init({
-    userId: {
+    user_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
@@ -12,11 +12,11 @@ Diary.init({
         type: DataTypes.TEXT,
         allowNull: false,
     },
-    createdAt: {
+    created_at: {
         type: DataTypes.DATE,
         defaultValue: DataTypes.NOW,
     },
-    updatedAt: {
+    updated_at: {
         type: DataTypes.DATE,
         defaultValue: DataTypes.NOW,
     }
@@ -27,6 +27,7 @@ Diary.init({
     schema: 'community',
     timestamps: true,
     underscored: true,   
-});
+,
+        freezeTableName: true});
 
 export default Diary;
diff --git a/backend/models/community/diary_history.js b/backend/models/community/diary_history.js
index 4ce8bcf..f6bec3a 100644
--- a/backend/models/community/diary_history.js
+++ b/backend/models/community/diary_history.js
@@ -4,23 +4,23 @@ import { sequelize } from '../../utils/sequelize.js';
 class DiaryHistory extends Model { }
 
 DiaryHistory.init({
-    diaryId: {
+    diary_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    userId: {
+    user_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    oldText: {
+    old_text: {
         type: DataTypes.TEXT,
         allowNull: false,
     }, 
-    oldCreatedAt: {
+    old_created_at: {
         type: DataTypes.DATE,
         allowNull: false,
     },
-    oldUpdatedAt: {
+    old_updated_at: {
         type: DataTypes.DATE,
         allowNull: false,
     },
@@ -31,6 +31,7 @@ DiaryHistory.init({
     schema: 'community',
     timestamps: false,
     underscored: true, 
-});
+,
+        freezeTableName: true});
 
 export default DiaryHistory;
diff --git a/backend/models/community/folder.js b/backend/models/community/folder.js
index 202de60..f990d97 100644
--- a/backend/models/community/folder.js
+++ b/backend/models/community/folder.js
@@ -7,7 +7,7 @@ const Folder = sequelize.define('folder', {
         type: DataTypes.STRING,
         allowNull: false,
     },
-    parentId: {
+    parent_id: {
         type: DataTypes.INTEGER,
         allowNull: true,
         references: {
@@ -15,7 +15,7 @@ const Folder = sequelize.define('folder', {
             key: 'id',
         },
     },
-    userId: {
+    user_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
         references: {
@@ -28,6 +28,7 @@ const Folder = sequelize.define('folder', {
     schema: 'community',
     underscored: true,
     timestamps: true,
-});
+,
+        freezeTableName: true});
 
 export default Folder;
diff --git a/backend/models/community/folder_image_visibility.js b/backend/models/community/folder_image_visibility.js
index 0ade275..2505d12 100644
--- a/backend/models/community/folder_image_visibility.js
+++ b/backend/models/community/folder_image_visibility.js
@@ -8,7 +8,7 @@ const FolderImageVisibility = sequelize.define('folder_image_visibility', {
         primaryKey: true,
         allowNull: false
     },
-    folderId: {
+    folder_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
         references: {
@@ -16,7 +16,7 @@ const FolderImageVisibility = sequelize.define('folder_image_visibility', {
             key: 'id'
         }
     },
-    visibilityTypeId: {
+    visibility_type_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
         references: {
@@ -32,6 +32,7 @@ const FolderImageVisibility = sequelize.define('folder_image_visibility', {
     schema: 'community',
     timestamps: false,
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default FolderImageVisibility;
diff --git a/backend/models/community/folder_visibility_user.js b/backend/models/community/folder_visibility_user.js
index 82d0561..a2593df 100644
--- a/backend/models/community/folder_visibility_user.js
+++ b/backend/models/community/folder_visibility_user.js
@@ -8,7 +8,7 @@ const FolderVisibilityUser = sequelize.define('folder_visibility_user', {
         primaryKey: true,
         allowNull: false
     },
-    folderId: {
+    folder_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
         references: {
@@ -16,7 +16,7 @@ const FolderVisibilityUser = sequelize.define('folder_visibility_user', {
             key: 'id'
         }
     },
-    visibilityUserId: {
+    visibility_user_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
         references: {
@@ -29,6 +29,7 @@ const FolderVisibilityUser = sequelize.define('folder_visibility_user', {
     schema: 'community',
     timestamps: false,
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default FolderVisibilityUser;
diff --git a/backend/models/community/friendship.js b/backend/models/community/friendship.js
index 50e50fa..cbce643 100644
--- a/backend/models/community/friendship.js
+++ b/backend/models/community/friendship.js
@@ -32,6 +32,7 @@ const Friendship = sequelize.define('friendship', {
     schema: 'community',
     underscored: true,
     timestamps: true,
-});
+,
+        freezeTableName: true});
 
 export default Friendship;
diff --git a/backend/models/community/guestbook.js b/backend/models/community/guestbook.js
index 250fc42..4612d19 100644
--- a/backend/models/community/guestbook.js
+++ b/backend/models/community/guestbook.js
@@ -9,7 +9,7 @@ const GuestbookEntry = sequelize.define('guestbook_entry', {
         primaryKey: true,
         allowNull: false,
     },
-    recipientId: {
+    recipient_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
         references: {
@@ -17,7 +17,7 @@ const GuestbookEntry = sequelize.define('guestbook_entry', {
             key: 'id'
         }
     },
-    senderId: {
+    sender_id: {
         type: DataTypes.INTEGER,
         allowNull: true, 
         references: {
@@ -25,15 +25,15 @@ const GuestbookEntry = sequelize.define('guestbook_entry', {
             key: 'id'
         }
     },
-    senderUsername: {
+    sender_username: {
         type: DataTypes.STRING,
         allowNull: true, 
     },
-    contentHtml: {
+    content_html: {
         type: DataTypes.TEXT,
         allowNull: false,
     },
-    imageUrl: {
+    image_url: {
         type: DataTypes.STRING,
         allowNull: true,
     },
@@ -42,6 +42,7 @@ const GuestbookEntry = sequelize.define('guestbook_entry', {
     schema: 'community',
     timestamps: true,  
     underscored: true,  
-});
+,
+        freezeTableName: true});
 
 export default GuestbookEntry;
diff --git a/backend/models/community/image.js b/backend/models/community/image.js
index 2a768bf..f41a662 100644
--- a/backend/models/community/image.js
+++ b/backend/models/community/image.js
@@ -11,7 +11,7 @@ const Image = sequelize.define('image', {
         type: DataTypes.TEXT,
         allowNull: true,
     },
-    originalFileName: {
+    original_file_name: {
         type: DataTypes.STRING,
         allowNull: false,
     },
@@ -20,7 +20,7 @@ const Image = sequelize.define('image', {
         allowNull: false,
         unique: true,
     },
-    folderId: {
+    folder_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
         references: {
@@ -28,7 +28,7 @@ const Image = sequelize.define('image', {
             key: 'id',
         },
     },
-    userId: {
+    user_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
         references: {
@@ -41,6 +41,7 @@ const Image = sequelize.define('image', {
     schema: 'community',
     underscored: true,
     timestamps: true,
-});
+,
+        freezeTableName: true});
 
 export default Image;
diff --git a/backend/models/community/image_image_visibility.js b/backend/models/community/image_image_visibility.js
index ac22561..2144bf4 100644
--- a/backend/models/community/image_image_visibility.js
+++ b/backend/models/community/image_image_visibility.js
@@ -8,7 +8,7 @@ const ImageImageVisibility = sequelize.define('image_image_visibility', {
         primaryKey: true,
         allowNull: false
     },
-    imageId: {
+    image_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
         references: {
@@ -16,7 +16,7 @@ const ImageImageVisibility = sequelize.define('image_image_visibility', {
             key: 'id'
         }
     },
-    visibilityTypeId: {
+    visibility_type_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
         references: {
@@ -32,6 +32,7 @@ const ImageImageVisibility = sequelize.define('image_image_visibility', {
     schema: 'community',
     timestamps: false,
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default ImageImageVisibility;
diff --git a/backend/models/community/image_visibility_user.js b/backend/models/community/image_visibility_user.js
index 58a2564..f2a2a08 100644
--- a/backend/models/community/image_visibility_user.js
+++ b/backend/models/community/image_visibility_user.js
@@ -21,6 +21,7 @@ const ImageVisibilityUser = sequelize.define('image_visibility_user', {
     timestamps: false,
     underscored: true,
     schema: 'community'
-});
+,
+        freezeTableName: true});
 
 export default ImageVisibilityUser;
diff --git a/backend/models/community/interest.js b/backend/models/community/interest.js
index 5173b26..9a52c75 100644
--- a/backend/models/community/interest.js
+++ b/backend/models/community/interest.js
@@ -6,6 +6,7 @@ const interest = sequelize.define('interest_type', {
     tableName: 'interest',
     schema: 'community',
     underscored: true
-});
+,
+        freezeTableName: true});
 
 export default interest;
\ No newline at end of file
diff --git a/backend/models/community/user.js b/backend/models/community/user.js
index eb48b9d..2583860 100644
--- a/backend/models/community/user.js
+++ b/backend/models/community/user.js
@@ -36,7 +36,7 @@ const User = sequelize.define('user', {
         type: DataTypes.STRING,
         allowNull: false,
     },
-    registrationDate: {
+    registration_date: {
         type: DataTypes.DATE,
         allowNull: false,
         defaultValue: DataTypes.NOW
@@ -45,11 +45,11 @@ const User = sequelize.define('user', {
         type: DataTypes.BOOLEAN,
         defaultValue: false
     },
-    resetToken: {
+    reset_token: {
         type: DataTypes.UUID,
         allowNull: true
     },
-    hashedId: {
+    hashed_id: {
         type: DataTypes.STRING,
         allowNull: true
     },
@@ -57,7 +57,7 @@ const User = sequelize.define('user', {
         type: DataTypes.BOOLEAN,
         defaultValue: true
     },
-    authCode: {
+    auth_code: {
         type: DataTypes.STRING,
         allowNull: true
     }
@@ -70,7 +70,8 @@ const User = sequelize.define('user', {
             const hashedId = crypto.createHash('sha256').update(user.id.toString()).digest('hex');
             user.hashedId = hashedId;
             await user.save();
-        }
+        ,
+        freezeTableName: true}
     }
 });
 
diff --git a/backend/models/community/user_param.js b/backend/models/community/user_param.js
index 72e0542..54989b1 100644
--- a/backend/models/community/user_param.js
+++ b/backend/models/community/user_param.js
@@ -5,7 +5,7 @@ import UserParamType from '../type/user_param.js';
 import { encrypt, decrypt } from '../../utils/encryption.js';
 
 const UserParam = sequelize.define('user_param', {
-    userId: {
+    user_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
         references: {
@@ -13,7 +13,7 @@ const UserParam = sequelize.define('user_param', {
             key: 'id',
         },
     },
-    paramTypeId: {
+    param_type_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
         references: {
@@ -55,7 +55,8 @@ const UserParam = sequelize.define('user_param', {
         {
             unique: true,
             fields: ['user_id', 'param_type_id'], 
-        },
+        ,
+        freezeTableName: true},
     ],
 });
 
diff --git a/backend/models/community/user_param_visibility.js b/backend/models/community/user_param_visibility.js
index 22dc115..da8a655 100644
--- a/backend/models/community/user_param_visibility.js
+++ b/backend/models/community/user_param_visibility.js
@@ -21,6 +21,7 @@ const UserParamVisibility = sequelize.define('user_param_visibility', {
     timestamps: false,
     underscored: true,
     schema: 'community'
-});
+,
+        freezeTableName: true});
 
 export default UserParamVisibility;
diff --git a/backend/models/community/user_right.js b/backend/models/community/user_right.js
index bf35225..d7a9fe6 100644
--- a/backend/models/community/user_right.js
+++ b/backend/models/community/user_right.js
@@ -4,7 +4,7 @@ import User from './user.js';
 import UserRightType from '../type/user_right.js';
 
 const UserRight = sequelize.define('user_right', {
-    userId: {
+    user_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
         references: {
@@ -12,7 +12,7 @@ const UserRight = sequelize.define('user_right', {
             key: 'id'
         }
     },
-    rightTypeId: {
+    right_type_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
         references: {
@@ -24,6 +24,7 @@ const UserRight = sequelize.define('user_right', {
     tableName: 'user_right',
     schema: 'community',
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default UserRight;
diff --git a/backend/models/falukant/data/branch.js b/backend/models/falukant/data/branch.js
index 83aa2c2..2a731e7 100644
--- a/backend/models/falukant/data/branch.js
+++ b/backend/models/falukant/data/branch.js
@@ -4,15 +4,15 @@ import { sequelize } from '../../../utils/sequelize.js';
 class Branch extends Model { }
 
 Branch.init({
-    branchTypeId: {
+    branch_type_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    regionId: {
+    region_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    falukantUserId: {
+    falukant_user_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
@@ -27,7 +27,8 @@ Branch.init({
         {
             unique: true,
             fields: ['region_id', 'falukant_user_id']
-        }
+        ,
+        freezeTableName: true}
     ],
 });
 
diff --git a/backend/models/falukant/data/buyable_house.js b/backend/models/falukant/data/buyable_house.js
index 2797080..ed71f58 100644
--- a/backend/models/falukant/data/buyable_house.js
+++ b/backend/models/falukant/data/buyable_house.js
@@ -4,27 +4,27 @@ import { sequelize } from '../../../utils/sequelize.js';
 class BuyableHouse extends Model { }
 
 BuyableHouse.init({
-    roofCondition: {
+    roof_condition: {
         type: DataTypes.INTEGER,
         allowNull: false,
         defaultValue: 100
     },
-    floorCondition: {
+    floor_condition: {
         type: DataTypes.INTEGER,
         allowNull: false,
         defaultValue: 100
     },
-    wallCondition: {
+    wall_condition: {
         type: DataTypes.INTEGER,
         allowNull: false,
         defaultValue: 100
     },
-    windowCondition: {
+    window_condition: {
         type: DataTypes.INTEGER,
         allowNull: false,
         defaultValue: 100
     },
-    houseTypeId: {
+    house_type_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     }
@@ -35,6 +35,7 @@ BuyableHouse.init({
     schema: 'falukant_data',
     timestamps: false,
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default BuyableHouse;
diff --git a/backend/models/falukant/data/buyable_stock.js b/backend/models/falukant/data/buyable_stock.js
index d2473f3..64bfde7 100644
--- a/backend/models/falukant/data/buyable_stock.js
+++ b/backend/models/falukant/data/buyable_stock.js
@@ -4,11 +4,11 @@ import { sequelize } from '../../../utils/sequelize.js';
 class BuyableStock extends Model { }
 
 BuyableStock.init({
-    regionId: {
+    region_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    stockTypeId: {
+    stock_type_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
@@ -23,6 +23,7 @@ BuyableStock.init({
     schema: 'falukant_data',
     timestamps: false,
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default BuyableStock;
diff --git a/backend/models/falukant/data/candidate.js b/backend/models/falukant/data/candidate.js
index 6a564e7..7ade6db 100644
--- a/backend/models/falukant/data/candidate.js
+++ b/backend/models/falukant/data/candidate.js
@@ -25,6 +25,7 @@ Candidate.init({
   schema: 'falukant_data',
   timestamps: true,
   underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default Candidate;
diff --git a/backend/models/falukant/data/character.js b/backend/models/falukant/data/character.js
index 7a48e55..ed513c9 100644
--- a/backend/models/falukant/data/character.js
+++ b/backend/models/falukant/data/character.js
@@ -5,19 +5,19 @@ class FalukantCharacter extends Model {}
 
 FalukantCharacter.init(
   {
-    userId: {
+    user_id: {
       type: DataTypes.INTEGER,
       allowNull: true,
     },
-    regionId: {
+    region_id: {
       type: DataTypes.INTEGER,
       allowNull: false,
     },
-    firstName: {
+    first_name: {
       type: DataTypes.INTEGER,
       allowNull: false,
     },
-    lastName: {
+    last_name: {
       type: DataTypes.INTEGER,
       allowNull: false,
     },
@@ -34,11 +34,11 @@ FalukantCharacter.init(
       allowNull: false,
       defaultValue: 100,
     },
-    titleOfNobility: {
+    title_of_nobility: {
       type: DataTypes.INTEGER,
       allowNull: false,
     },
-    moodId: {
+    mood_id: {
       type: DataTypes.INTEGER,
       allowNull: false,
       defaultValue: 1,
@@ -51,7 +51,8 @@ FalukantCharacter.init(
     schema: 'falukant_data',
     timestamps: true,
     underscored: true,
-  }
+  ,
+        freezeTableName: true}
 );
 
 export default FalukantCharacter;
diff --git a/backend/models/falukant/data/child_relation.js b/backend/models/falukant/data/child_relation.js
index ddbf5a9..8e21417 100644
--- a/backend/models/falukant/data/child_relation.js
+++ b/backend/models/falukant/data/child_relation.js
@@ -5,32 +5,32 @@ class ChildRelation extends Model {}
 
 ChildRelation.init(
   {
-    fatherCharacterId: {
+    father_character_id: {
       type: DataTypes.INTEGER,
       allowNull: false,
     },
-    motherCharacterId: {
+    mother_character_id: {
       type: DataTypes.INTEGER,
       allowNull: false,
     },
-    childCharacterId: {
+    child_character_id: {
       type: DataTypes.INTEGER,
       allowNull: false,
     },
-    fatherName: {
+    father_name: {
       type: DataTypes.STRING,
       allowNull: false,
     },
-    motherName: {
+    mother_name: {
       type: DataTypes.STRING,
       allowNull: false,
     },
-    nameSet: {
+    name_set: {
       type: DataTypes.BOOLEAN,
       allowNull: false,
       default: false,
     },
-    isHeir: {
+    is_heir: {
       type: DataTypes.BOOLEAN,
       allowNull: true,
       default: false,
diff --git a/backend/models/falukant/data/credit.js b/backend/models/falukant/data/credit.js
index eef372f..442570a 100644
--- a/backend/models/falukant/data/credit.js
+++ b/backend/models/falukant/data/credit.js
@@ -11,17 +11,17 @@ Credit.init({
     allowNull: false,
   },
   // noch offener Kreditbetrag
-  remainingAmount: {
+  remaining_amount: {
     type: DataTypes.DECIMAL(14,2),
     allowNull: false,
   },
   // Zinssatz als Prozentsatz (z.B. 3.5 für 3.5%)
-  interestRate: {
+  interest_rate: {
     type: DataTypes.DECIMAL(5,2),
     allowNull: false,
   },
   // Verknüpfung auf FalukantUser
-  falukantUserId: {
+  falukant_user_id: {
     type: DataTypes.INTEGER,
     allowNull: false,
   },
@@ -32,6 +32,7 @@ Credit.init({
   schema: 'falukant_data',
   timestamps: true,
   underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default Credit;
diff --git a/backend/models/falukant/data/debtors_prism.js b/backend/models/falukant/data/debtors_prism.js
index 0e08c57..2c41693 100644
--- a/backend/models/falukant/data/debtors_prism.js
+++ b/backend/models/falukant/data/debtors_prism.js
@@ -5,7 +5,7 @@ class DebtorsPrism extends Model {}
 
 DebtorsPrism.init({
   // Verknüpfung auf FalukantCharacter
-  characterId: {
+  character_id: {
     type: DataTypes.INTEGER,
     allowNull: false,
   },
@@ -16,6 +16,7 @@ DebtorsPrism.init({
   schema: 'falukant_data',
   timestamps: true,
   underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default DebtorsPrism;
diff --git a/backend/models/falukant/data/director.js b/backend/models/falukant/data/director.js
index 8ae2e99..51cb91e 100644
--- a/backend/models/falukant/data/director.js
+++ b/backend/models/falukant/data/director.js
@@ -4,11 +4,11 @@ import { sequelize } from '../../../utils/sequelize.js';
 class Director extends Model { }
 
 Director.init({
-    directorCharacterId: {
+    director_character_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    employerUserId: {
+    employer_user_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
@@ -21,22 +21,22 @@ Director.init({
         allowNull: false,
         defaultValue: 100,
     },
-    mayProduce: {
+    may_produce: {
         type: DataTypes.BOOLEAN,
         allowNull: false,
         defaultValue: true,
     },
-    maySell: {
+    may_sell: {
         type: DataTypes.BOOLEAN,
         allowNull: false,
         defaultValue: true,
     },
-    mayStartTransport: {
+    may_start_transport: {
         type: DataTypes.BOOLEAN,
         allowNull: false,
         defaultValue: true,
     },
-    lastSalaryPayout: {
+    last_salary_payout: {
         type: DataTypes.DATE,
         allowNull: false,
         defaultValue: new Date(0)
@@ -48,6 +48,7 @@ Director.init({
     schema: 'falukant_data',
     timestamps: false,
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default Director;
diff --git a/backend/models/falukant/data/director_proposal.js b/backend/models/falukant/data/director_proposal.js
index e58c0f7..e70e769 100644
--- a/backend/models/falukant/data/director_proposal.js
+++ b/backend/models/falukant/data/director_proposal.js
@@ -4,15 +4,15 @@ import { sequelize } from '../../../utils/sequelize.js';
 class DirectorProposal extends Model { }
 
 DirectorProposal.init({
-    directorCharacterId: {
+    director_character_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    employerUserId: {
+    employer_user_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    proposedIncome: {
+    proposed_income: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
@@ -23,6 +23,7 @@ DirectorProposal.init({
     schema: 'falukant_data',
     timestamps: true,
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default DirectorProposal;
diff --git a/backend/models/falukant/data/election.js b/backend/models/falukant/data/election.js
index 785f911..7def4c3 100644
--- a/backend/models/falukant/data/election.js
+++ b/backend/models/falukant/data/election.js
@@ -10,11 +10,11 @@ Election.init({
     primaryKey: true,
     autoIncrement: true,
   },
-  officeTypeId: {
+  office_type_id: {
     type: DataTypes.INTEGER,
     allowNull: true,
   },
-  regionId: {
+  region_id: {
     type: DataTypes.INTEGER,
     allowNull: false  
   },
@@ -22,7 +22,7 @@ Election.init({
     type: DataTypes.DATE,
     allowNull: false,
   },
-  postsToFill: {
+  posts_to_fill: {
     type: DataTypes.INTEGER,
     allowNull: false,
   },
@@ -33,6 +33,7 @@ Election.init({
   schema: 'falukant_data',
   timestamps: true,
   underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default Election;
diff --git a/backend/models/falukant/data/election_result.js b/backend/models/falukant/data/election_result.js
index 5d1e95f..e624c8c 100644
--- a/backend/models/falukant/data/election_result.js
+++ b/backend/models/falukant/data/election_result.js
@@ -29,6 +29,7 @@ ElectionResult.init({
   schema: 'falukant_data',
   timestamps: true,
   underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default ElectionResult;
diff --git a/backend/models/falukant/data/falukant_character_trait.js b/backend/models/falukant/data/falukant_character_trait.js
index fa562a6..f6444f2 100644
--- a/backend/models/falukant/data/falukant_character_trait.js
+++ b/backend/models/falukant/data/falukant_character_trait.js
@@ -21,7 +21,8 @@ FalukantCharacterTrait.init(
     schema: 'falukant_data',
     timestamps: false,
     underscored: true,
-  }
+  ,
+        freezeTableName: true}
 );
 
 export default FalukantCharacterTrait;
diff --git a/backend/models/falukant/data/inventory.js b/backend/models/falukant/data/inventory.js
index 08cf43d..89d251f 100644
--- a/backend/models/falukant/data/inventory.js
+++ b/backend/models/falukant/data/inventory.js
@@ -4,11 +4,11 @@ import { sequelize } from '../../../utils/sequelize.js';
 class Inventory extends Model { }
 
 Inventory.init({
-    stockId: {
+    stock_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    productId: {
+    product_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
@@ -20,7 +20,7 @@ Inventory.init({
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    producedAt: {
+    produced_at: {
         type: DataTypes.DATE,
         allowNull: false,
         defaultValue: DataTypes.NOW,
@@ -32,6 +32,7 @@ Inventory.init({
     schema: 'falukant_data',
     timestamps: false,
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default Inventory;
diff --git a/backend/models/falukant/data/learning.js b/backend/models/falukant/data/learning.js
index 3c73dcb..4abff9c 100644
--- a/backend/models/falukant/data/learning.js
+++ b/backend/models/falukant/data/learning.js
@@ -5,31 +5,31 @@ class Learning extends Model {}
 
 Learning.init(
   {
-    learningRecipientId: {
+    learning_recipient_id: {
       type: DataTypes.INTEGER,
       allowNull: false,
     },
-    productId: {
+    product_id: {
       type: DataTypes.INTEGER,
       allowNull: true,
       defaultValue: null,
     },
-    learnAllProducts: {
+    learn_all_products: {
         type: DataTypes.BOOLEAN,
         allowNull: false,
         defaultValue: false,
     },
-    associatedFalukantUserId: {
+    associated_falukant_user_id: {
       type: DataTypes.INTEGER,
       allowNull: true,
       defaultValue: null,
     },
-    associatedLearningCharacterId: {
+    associated_learning_character_id: {
       type: DataTypes.INTEGER,
       allowNull: true,
       defaultValue: null,
     },
-    learningIsExecuted: {
+    learning_is_executed: {
       type: DataTypes.BOOLEAN,
       allowNull: false,
       defaultValue: false,
@@ -42,7 +42,8 @@ Learning.init(
     schema: 'falukant_data',
     timestamps: true,
     underscored: true,
-  }
+  ,
+        freezeTableName: true}
 );
 
 export default Learning;
diff --git a/backend/models/falukant/data/marriage_proposal.js b/backend/models/falukant/data/marriage_proposal.js
index fc645d4..fd217e7 100644
--- a/backend/models/falukant/data/marriage_proposal.js
+++ b/backend/models/falukant/data/marriage_proposal.js
@@ -5,12 +5,12 @@ class MarriageProposal extends Model {}
 
 MarriageProposal.init(
   {
-    requesterCharacterId: {
+    requester_character_id: {
       type: DataTypes.INTEGER,
       allowNull: false,
       onDelete: 'CASCADE',
     },
-    proposedCharacterId: {
+    proposed_character_id: {
       type: DataTypes.INTEGER,
       allowNull: false,
       onDelete: 'CASCADE',
@@ -28,7 +28,8 @@ MarriageProposal.init(
     schema: 'falukant_data',
     timestamps: true, 
     underscored: true,
-  }
+  ,
+        freezeTableName: true}
 );
 
 export default MarriageProposal;
diff --git a/backend/models/falukant/data/occupied_political_office.js b/backend/models/falukant/data/occupied_political_office.js
index eed3586..7d5f541 100644
--- a/backend/models/falukant/data/occupied_political_office.js
+++ b/backend/models/falukant/data/occupied_political_office.js
@@ -25,6 +25,7 @@ OccupiedPoliticalOffice.init({
   schema: 'falukant_data',
   timestamps: true,
   underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default OccupiedPoliticalOffice;
diff --git a/backend/models/falukant/data/party.js b/backend/models/falukant/data/party.js
index ef202f8..38197b4 100644
--- a/backend/models/falukant/data/party.js
+++ b/backend/models/falukant/data/party.js
@@ -4,27 +4,27 @@ import { sequelize } from '../../../utils/sequelize.js';
 class Party extends Model {}
 
 Party.init({
-    partyTypeId: {
+    party_type_id: {
       type: DataTypes.INTEGER,
       allowNull: false,
       field: 'party_type_id'
     },
-    falukantUserId: {
+    falukant_user_id: {
       type: DataTypes.INTEGER,
       allowNull: false,
       field: 'falukant_user_id'
     },
-    musicTypeId: {
+    music_type_id: {
       type: DataTypes.INTEGER,
       allowNull: false,
       field: 'music_type'
     },
-    banquetteTypeId: {
+    banquette_type_id: {
       type: DataTypes.INTEGER,
       allowNull: false,
       field: 'banquette_type'
     },
-    servantRatio: {
+    servant_ratio: {
       type: DataTypes.INTEGER,
       allowNull: false,
       field: 'servant_ratio'
@@ -41,6 +41,7 @@ Party.init({
     schema: 'falukant_data',
     timestamps: true,
     underscored: true,
-  });
+  ,
+        freezeTableName: true});
   
 export default Party;
\ No newline at end of file
diff --git a/backend/models/falukant/data/partyInvitedNobility.js b/backend/models/falukant/data/partyInvitedNobility.js
index ebc4124..a6e9714 100644
--- a/backend/models/falukant/data/partyInvitedNobility.js
+++ b/backend/models/falukant/data/partyInvitedNobility.js
@@ -4,12 +4,12 @@ import { sequelize } from '../../../utils/sequelize.js'
 class PartyInvitedNobility extends Model {}
 
 PartyInvitedNobility.init({
-  partyId: {
+  party_id: {
     type: DataTypes.INTEGER,
     allowNull: false,
     field: 'party_id'
   },
-  titleOfNobilityId: {
+  title_of_nobility_id: {
     type: DataTypes.INTEGER,
     allowNull: false,
     field: 'title_of_nobility_id'
@@ -21,6 +21,7 @@ PartyInvitedNobility.init({
   schema: 'falukant_data',
   timestamps: false,
   underscored: true
-})
+,
+        freezeTableName: true})
 
 export default PartyInvitedNobility
diff --git a/backend/models/falukant/data/political_office.js b/backend/models/falukant/data/political_office.js
index f916755..b1e9bc8 100644
--- a/backend/models/falukant/data/political_office.js
+++ b/backend/models/falukant/data/political_office.js
@@ -10,15 +10,15 @@ PoliticalOffice.init({
     primaryKey: true,
     autoIncrement: true,
   },
-  officeTypeId: {
+  office_type_id: {
     type: DataTypes.INTEGER,
     allowNull: false,
   },
-  characterId: {
+  character_id: {
     type: DataTypes.INTEGER,
     allowNull: false,
   },
-  regionId: {
+  region_id: {
     type: DataTypes.INTEGER,
     allowNull: false,
   },
@@ -29,6 +29,7 @@ PoliticalOffice.init({
   schema: 'falukant_data',
   timestamps: true,
   underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default PoliticalOffice;
diff --git a/backend/models/falukant/data/product_knowledge.js b/backend/models/falukant/data/product_knowledge.js
index b40066f..46febaa 100644
--- a/backend/models/falukant/data/product_knowledge.js
+++ b/backend/models/falukant/data/product_knowledge.js
@@ -4,11 +4,11 @@ import { sequelize } from '../../../utils/sequelize.js';
 class Knowledge extends Model { }
 
 Knowledge.init({
-    productId: {
+    product_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    characterId: {
+    character_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
@@ -27,7 +27,8 @@ Knowledge.init({
     hooks: {
         beforeCreate: (knowledge) => {
             knowledge.knowledge = Math.floor(Math.random() * 61) + 20;
-        }
+        ,
+        freezeTableName: true}
     }
 });
 
diff --git a/backend/models/falukant/data/production.js b/backend/models/falukant/data/production.js
index e097e50..263390a 100644
--- a/backend/models/falukant/data/production.js
+++ b/backend/models/falukant/data/production.js
@@ -4,11 +4,11 @@ import { sequelize } from '../../../utils/sequelize.js';
 class Production extends Model { }
 
 Production.init({
-    branchId: {
+    branch_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    productId: {
+    product_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
@@ -16,7 +16,7 @@ Production.init({
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    startTimestamp: {
+    start_timestamp: {
         type: DataTypes.DATE,
         allowNull: false,
         defaultValue: sequelize.literal('CURRENT_TIMESTAMP'),
@@ -28,6 +28,7 @@ Production.init({
     schema: 'falukant_data',
     timestamps: false,
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default Production;
diff --git a/backend/models/falukant/data/region.js b/backend/models/falukant/data/region.js
index 5da6c84..781036b 100644
--- a/backend/models/falukant/data/region.js
+++ b/backend/models/falukant/data/region.js
@@ -9,7 +9,7 @@ RegionData.init({
         type: DataTypes.STRING,
         allowNull: false,
     },
-    regionTypeId: {
+    region_type_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
         references: {
@@ -18,7 +18,7 @@ RegionData.init({
             schema: 'falukant_type'
         }
     },
-    parentId: {
+    parent_id: {
         type: DataTypes.INTEGER,
         allowNull: true,
         references: {
@@ -39,6 +39,7 @@ RegionData.init({
     schema: 'falukant_data',
     timestamps: false,
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default RegionData;
diff --git a/backend/models/falukant/data/relationship.js b/backend/models/falukant/data/relationship.js
index f874f7d..786a7d4 100644
--- a/backend/models/falukant/data/relationship.js
+++ b/backend/models/falukant/data/relationship.js
@@ -24,7 +24,7 @@ Relationship.init(
       },
       onDelete: 'CASCADE',
     },
-    relationshipTypeId: {
+    relationship_type_id: {
       type: DataTypes.INTEGER,
       allowNull: false,
       onDelete: 'CASCADE',
@@ -37,7 +37,7 @@ Relationship.init(
       type: DataTypes.STRING,
       allowNull: true,
     },
-    nextStepProgress: {
+    next_step_progress: {
       type: DataTypes.INTEGER,
       allowNull: true,
       defaultValue: 0,
@@ -50,7 +50,8 @@ Relationship.init(
     schema: 'falukant_data',
     timestamps: true,
     underscored: true,
-  }
+  ,
+        freezeTableName: true}
 );
 
 export default Relationship;
diff --git a/backend/models/falukant/data/stock.js b/backend/models/falukant/data/stock.js
index cc3f3d8..ac3c122 100644
--- a/backend/models/falukant/data/stock.js
+++ b/backend/models/falukant/data/stock.js
@@ -4,12 +4,12 @@ import { sequelize } from '../../../utils/sequelize.js';
 class FalukantStock extends Model { }
 
 FalukantStock.init({
-    branchId: {
+    branch_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
         defaultValue: 0
     },
-    stockTypeId: {
+    stock_type_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
@@ -24,6 +24,7 @@ FalukantStock.init({
     schema: 'falukant_data',
     timestamps: false,
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default FalukantStock;
diff --git a/backend/models/falukant/data/town_product_worth.js b/backend/models/falukant/data/town_product_worth.js
index 8ebf547..b062027 100644
--- a/backend/models/falukant/data/town_product_worth.js
+++ b/backend/models/falukant/data/town_product_worth.js
@@ -4,15 +4,15 @@ import { sequelize } from '../../../utils/sequelize.js';
 class TownProductWorth extends Model { }
 
 TownProductWorth.init({
-    productId: {
+    product_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    regionId: {
+    region_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    worthPercent: {
+    worth_percent: {
         type: DataTypes.INTEGER,
         allowNull: false,
         defaultValue: 0,
@@ -27,7 +27,8 @@ TownProductWorth.init({
     hooks: {
         beforeCreate: (worthPercent) => {
             worthPercent.worthPercent = Math.floor(Math.random() * 20) + 40;
-        }
+        ,
+        freezeTableName: true}
     }
 });
 
diff --git a/backend/models/falukant/data/underground.js b/backend/models/falukant/data/underground.js
index 7d37dca..38cc25b 100644
--- a/backend/models/falukant/data/underground.js
+++ b/backend/models/falukant/data/underground.js
@@ -4,15 +4,15 @@ import { sequelize } from '../../../utils/sequelize.js';
 class Underground extends Model { }
 
 Underground.init({
-    undergroundTypeId: {
+    underground_type_id: {
         type: DataTypes.STRING,
         allowNull: false,
     },
-    performerId: {
+    performer_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    victimId: {
+    victim_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
@@ -31,6 +31,7 @@ Underground.init({
     schema: 'falukant_data',
     timestamps: true,
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default Underground;
diff --git a/backend/models/falukant/data/user.js b/backend/models/falukant/data/user.js
index e4f3898..0afde73 100644
--- a/backend/models/falukant/data/user.js
+++ b/backend/models/falukant/data/user.js
@@ -5,7 +5,7 @@ import RegionData from './region.js';
 class FalukantUser extends Model { }
 
 FalukantUser.init({
-    userId: {
+    user_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
         references: {
@@ -22,17 +22,17 @@ FalukantUser.init({
         allowNull: false,
         defaultValue: 0.00,
     },
-    creditAmount: {
+    credit_amount: {
         type: DataTypes.DECIMAL(10, 2),
         allowNull: false,
         defaultValue: 0.00,
     },
-    todayCreditTaken: {
+    today_credit_taken: {
         type: DataTypes.DECIMAL(10, 2),
         allowNull: false,
         defaultValue: 0.00,
     },
-    creditInterestRate: {
+    credit_interest_rate: {
         type: DataTypes.DECIMAL(5, 2),
         allowNull: false,
         defaultValue: 0.00,
@@ -42,7 +42,7 @@ FalukantUser.init({
         allowNull: false,
         defaultValue: 1,
     },
-    mainBranchRegionId: {
+    main_branch_region_id: {
         type: DataTypes.INTEGER,
         allowNull: true,
         references: {
@@ -58,6 +58,7 @@ FalukantUser.init({
     schema: 'falukant_data',
     timestamps: true,
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default FalukantUser;
diff --git a/backend/models/falukant/data/user_house.js b/backend/models/falukant/data/user_house.js
index 2004b85..6053560 100644
--- a/backend/models/falukant/data/user_house.js
+++ b/backend/models/falukant/data/user_house.js
@@ -4,32 +4,32 @@ import { sequelize } from '../../../utils/sequelize.js';
 class UserHouse extends Model { }
 
 UserHouse.init({
-    roofCondition: {
+    roof_condition: {
         type: DataTypes.INTEGER,
         allowNull: false,
         defaultValue: 100
     },
-    floorCondition: {
+    floor_condition: {
         type: DataTypes.INTEGER,
         allowNull: false,
         defaultValue: 100
     },
-    wallCondition: {
+    wall_condition: {
         type: DataTypes.INTEGER,
         allowNull: false,
         defaultValue: 100
     },
-    windowCondition: {
+    window_condition: {
         type: DataTypes.INTEGER,
         allowNull: false,
         defaultValue: 100
     },
-    houseTypeId: {
+    house_type_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
         defaultValue: 1
     },
-    userId: {
+    user_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
         defaultValue: 1
@@ -41,6 +41,7 @@ UserHouse.init({
     schema: 'falukant_data',
     timestamps: false,
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default UserHouse;
diff --git a/backend/models/falukant/data/vote.js b/backend/models/falukant/data/vote.js
index 993a37b..2da1868 100644
--- a/backend/models/falukant/data/vote.js
+++ b/backend/models/falukant/data/vote.js
@@ -11,11 +11,11 @@ Vote.init(
       primaryKey: true,
       autoIncrement: true,
     },
-    electionId: {
+    election_id: {
       type: DataTypes.INTEGER,
       allowNull: false,
     },
-    candidateId: {
+    candidate_id: {
       type: DataTypes.INTEGER,
       allowNull: false,
     },
@@ -24,7 +24,7 @@ Vote.init(
       allowNull: false,
       defaultValue: DataTypes.NOW,
     },
-    falukantUserId: {
+    falukant_user_id: {
       type: DataTypes.INTEGER,
       allowNull: false,
     },
@@ -40,7 +40,8 @@ Vote.init(
       {
         unique: true,
         fields: ['election_id', 'candidate_id'],
-      },
+      ,
+        freezeTableName: true},
     ],
   }
 );
diff --git a/backend/models/falukant/log/dayproduction.js b/backend/models/falukant/log/dayproduction.js
index 0adc013..ef8f777 100644
--- a/backend/models/falukant/log/dayproduction.js
+++ b/backend/models/falukant/log/dayproduction.js
@@ -4,11 +4,11 @@ import { sequelize } from '../../../utils/sequelize.js';
 class DayProduction extends Model { }
 
 DayProduction.init({
-    regionId: {
+    region_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    productId: {
+    product_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
@@ -16,16 +16,16 @@ DayProduction.init({
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    producerId: {
+    producer_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    productionTimestamp: {
+    production_timestamp: {
         type: DataTypes.DATE,
         allowNull: false,
         defaultValue: sequelize.literal('CURRENT_TIMESTAMP'),
     },
-    productionDate: {
+    production_date: {
         type: DataTypes.DATEONLY,
         allowNull: false,
         defaultValue: sequelize.literal('CURRENT_DATE'),
@@ -41,7 +41,8 @@ DayProduction.init({
         {
             unique: true,
             fields: ['producer_id', 'product_id', 'region_id', 'production_date']
-        }
+        ,
+        freezeTableName: true}
     ]
 });
 
diff --git a/backend/models/falukant/log/daysell.js b/backend/models/falukant/log/daysell.js
index 9102809..89e4a9d 100644
--- a/backend/models/falukant/log/daysell.js
+++ b/backend/models/falukant/log/daysell.js
@@ -4,11 +4,11 @@ import { sequelize } from '../../../utils/sequelize.js';
 class DaySell extends Model { }
 
 DaySell.init({
-    regionId: {
+    region_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    productId: {
+    product_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
@@ -16,11 +16,11 @@ DaySell.init({
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    sellerId: { 
+    seller_id: { 
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    sellTimestamp: {
+    sell_timestamp: {
         type: DataTypes.DATE,
         allowNull: false,
         defaultValue: sequelize.literal('CURRENT_TIMESTAMP'),
@@ -36,7 +36,8 @@ DaySell.init({
         {
             unique: true,
             fields: ['seller_id', 'product_id', 'region_id']
-        }
+        ,
+        freezeTableName: true}
     ]
 });
 
diff --git a/backend/models/falukant/log/election_history.js b/backend/models/falukant/log/election_history.js
index 4e8c71e..97fa84a 100644
--- a/backend/models/falukant/log/election_history.js
+++ b/backend/models/falukant/log/election_history.js
@@ -4,19 +4,19 @@ import { sequelize } from '../../../utils/sequelize.js';
 class ElectionHistory extends Model { }
 
 ElectionHistory.init({
-    electionId: {
+    election_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    politicalOfficeTypeId: {
+    political_office_type_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    electionDate: {
+    election_date: {
         type: DataTypes.DATE,
         allowNull: false,
     },
-    electionResult: {
+    election_result: {
         type: DataTypes.JSON,
         allowNull: false,
     }
@@ -27,6 +27,7 @@ ElectionHistory.init({
     schema: 'falukant_log',
     timestamps: true,
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default ElectionHistory;
diff --git a/backend/models/falukant/log/health_activity.js b/backend/models/falukant/log/health_activity.js
index bd70124..859d833 100644
--- a/backend/models/falukant/log/health_activity.js
+++ b/backend/models/falukant/log/health_activity.js
@@ -9,11 +9,11 @@ HealthActivity.init({
         primaryKey: true,
         autoIncrement: true,
     },
-    characterId: { 
+    character_id: { 
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    activityTr: {
+    activity_tr: {
         type: DataTypes.STRING,
         allowNull: false,
     },
@@ -21,7 +21,7 @@ HealthActivity.init({
         type: DataTypes.FLOAT,
         allowNull: false,
     },
-    successPercentage: {
+    success_percentage: {
         type: DataTypes.INTEGER,
         allowNull: false
     }
@@ -32,6 +32,7 @@ HealthActivity.init({
     schema: 'falukant_log',
     timestamps: true,
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default HealthActivity;
diff --git a/backend/models/falukant/log/moneyflow.js b/backend/models/falukant/log/moneyflow.js
index 5e84886..e13074d 100644
--- a/backend/models/falukant/log/moneyflow.js
+++ b/backend/models/falukant/log/moneyflow.js
@@ -4,7 +4,7 @@ import { sequelize } from '../../../utils/sequelize.js';
 class MoneyFlow extends Model { }
 
 MoneyFlow.init({
-    falukantUserId: {
+    falukant_user_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
@@ -12,11 +12,11 @@ MoneyFlow.init({
         type: DataTypes.STRING,
         allowNull: false,
     },
-    moneyBefore: {
+    money_before: {
         type: DataTypes.DOUBLE,
         allowNull: false,
     },
-    moneyAfter: {
+    money_after: {
         type: DataTypes.DOUBLE,
         allowNull: true,
     },
@@ -25,11 +25,11 @@ MoneyFlow.init({
         allowNull: false,
         defaultValue: DataTypes.NOW
     },  
-    changeValue: {
+    change_value: {
         type: DataTypes.DOUBLE,
         allowNull: false,
     },
-    changedBy: {
+    changed_by: {
         type: DataTypes.INTEGER,
         allowNull: true,
     },
@@ -40,6 +40,7 @@ MoneyFlow.init({
     schema: 'falukant_log',
     timestamps: false,
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default MoneyFlow;
diff --git a/backend/models/falukant/log/notification.js b/backend/models/falukant/log/notification.js
index 6086864..70dd6bf 100644
--- a/backend/models/falukant/log/notification.js
+++ b/backend/models/falukant/log/notification.js
@@ -4,7 +4,7 @@ import { sequelize } from '../../../utils/sequelize.js';
 class Notification extends Model { }
 
 Notification.init({
-    userId: { 
+    user_id: { 
         type: DataTypes.INTEGER,
         allowNull: false,
     },
@@ -24,6 +24,7 @@ Notification.init({
     schema: 'falukant_log',
     timestamps: true,
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default Notification;
diff --git a/backend/models/falukant/log/political_office_history.js b/backend/models/falukant/log/political_office_history.js
index 378c61d..d11385c 100644
--- a/backend/models/falukant/log/political_office_history.js
+++ b/backend/models/falukant/log/political_office_history.js
@@ -5,19 +5,19 @@ class PoliticalOfficeHistory extends Model { }
 
 PoliticalOfficeHistory.init(
     {
-        characterId: {
+        character_id: {
             type: DataTypes.INTEGER,
             allowNull: false,
         },
-        officeTypeId: {
+        office_type_id: {
             type: DataTypes.INTEGER,
             allowNull: false,
         },
-        startDate: {
+        start_date: {
             type: DataTypes.DATE,
             allowNull: false,
         },
-        endDate: {
+        end_date: {
             type: DataTypes.DATE,
             allowNull: false,
         }
@@ -29,7 +29,8 @@ PoliticalOfficeHistory.init(
         schema: 'falukant_log',
         timestamps: true,
         underscored: true,
-    }
+    ,
+        freezeTableName: true}
 );
 
 export default PoliticalOfficeHistory;
diff --git a/backend/models/falukant/log/promotional_gift.js b/backend/models/falukant/log/promotional_gift.js
index 5dd1272..a93f141 100644
--- a/backend/models/falukant/log/promotional_gift.js
+++ b/backend/models/falukant/log/promotional_gift.js
@@ -4,19 +4,19 @@ import { sequelize } from '../../../utils/sequelize.js';
 class PromotionalGiftLog extends Model { };
 
 PromotionalGiftLog.init({
-    senderCharacterId: { 
+    sender_character_id: { 
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    recipientCharacterId: { 
+    recipient_character_id: { 
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    giftId: { 
+    gift_id: { 
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    changeValue: { 
+    change_value: { 
         type: DataTypes.INTEGER,
         allowNull: false,
     },
@@ -27,6 +27,7 @@ PromotionalGiftLog.init({
     schema: 'falukant_log',
     timestamps: true,
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default PromotionalGiftLog;
\ No newline at end of file
diff --git a/backend/models/falukant/predefine/firstname.js b/backend/models/falukant/predefine/firstname.js
index 65561d5..9e87a17 100644
--- a/backend/models/falukant/predefine/firstname.js
+++ b/backend/models/falukant/predefine/firstname.js
@@ -19,7 +19,8 @@ const FalukantPredefineFirstname = sequelize.define('firstname', {
         {
             unique: true,
             fields: ['name', 'gender']
-        }
+        ,
+        freezeTableName: true}
     ],
 });
 
diff --git a/backend/models/falukant/predefine/lastname.js b/backend/models/falukant/predefine/lastname.js
index 3c4a49d..cc19eba 100644
--- a/backend/models/falukant/predefine/lastname.js
+++ b/backend/models/falukant/predefine/lastname.js
@@ -16,7 +16,8 @@ const FalukantPredefineLastname = sequelize.define('lastname', {
         {
             unique: true,
             fields: ['name']
-        }
+        ,
+        freezeTableName: true}
     ],
 });
 
diff --git a/backend/models/falukant/predefine/political_office_benefit.js b/backend/models/falukant/predefine/political_office_benefit.js
index 2ffb2f1..5f475b5 100644
--- a/backend/models/falukant/predefine/political_office_benefit.js
+++ b/backend/models/falukant/predefine/political_office_benefit.js
@@ -30,7 +30,8 @@ PoliticalOfficeBenefit.init({
   schema: 'falukant_predefine',
   timestamps: false,
   underscored: true,
-});
+,
+        freezeTableName: true});
 
 // Association
 PoliticalOfficeBenefit.belongsTo(PoliticalOfficeBenefitType, {
diff --git a/backend/models/falukant/predefine/political_office_prerequisite.js b/backend/models/falukant/predefine/political_office_prerequisite.js
index d8178b4..dd812f7 100644
--- a/backend/models/falukant/predefine/political_office_prerequisite.js
+++ b/backend/models/falukant/predefine/political_office_prerequisite.js
@@ -29,6 +29,7 @@ PoliticalOfficePrerequisite.init({
   schema: 'falukant_predefine',
   timestamps: false,
   underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default PoliticalOfficePrerequisite;
diff --git a/backend/models/falukant/predefine/promotional_gift_character_trait.js b/backend/models/falukant/predefine/promotional_gift_character_trait.js
index 68b37a9..796b97f 100644
--- a/backend/models/falukant/predefine/promotional_gift_character_trait.js
+++ b/backend/models/falukant/predefine/promotional_gift_character_trait.js
@@ -39,7 +39,8 @@ PromotionalGiftCharacterTrait.init(
     schema: 'falukant_predefine',
     timestamps: false,
     underscored: true,
-  }
+  ,
+        freezeTableName: true}
 );
 
 export default PromotionalGiftCharacterTrait;
diff --git a/backend/models/falukant/predefine/promotional_gift_mood.js b/backend/models/falukant/predefine/promotional_gift_mood.js
index 94998fd..42f82f8 100644
--- a/backend/models/falukant/predefine/promotional_gift_mood.js
+++ b/backend/models/falukant/predefine/promotional_gift_mood.js
@@ -39,7 +39,8 @@ PromotionalGiftMood.init(
     schema: 'falukant_predefine',
     timestamps: false,
     underscored: true,
-  }
+  ,
+        freezeTableName: true}
 );
 
 export default PromotionalGiftMood;
diff --git a/backend/models/falukant/type/banquette.js b/backend/models/falukant/type/banquette.js
index 7cba1f0..e1e97d5 100644
--- a/backend/models/falukant/type/banquette.js
+++ b/backend/models/falukant/type/banquette.js
@@ -13,7 +13,7 @@ BanquetteType.init(
       type: DataTypes.INTEGER,
       allowNull: false,
     },
-    reputationGrowth: {
+    reputation_growth: {
       type: DataTypes.INTEGER,
       allowNull: false,
     },
@@ -25,7 +25,8 @@ BanquetteType.init(
     schema: 'falukant_type',
     timestamps: false,
     underscored: true,
-  }
+  ,
+        freezeTableName: true}
 );
 
 export default BanquetteType;
diff --git a/backend/models/falukant/type/branch.js b/backend/models/falukant/type/branch.js
index a9a5b93..5776f1b 100644
--- a/backend/models/falukant/type/branch.js
+++ b/backend/models/falukant/type/branch.js
@@ -4,11 +4,11 @@ import { sequelize } from '../../../utils/sequelize.js';
 class BranchType extends Model { }
 
 BranchType.init({
-    labelTr: {
+    label_tr: {
         type: DataTypes.STRING,
         allowNull: false,
     },
-    baseCost: {
+    base_cost: {
         type: DataTypes.INTEGER,
         allowNull: false,
     }
@@ -23,7 +23,8 @@ BranchType.init({
         {
             unique: true,
             fields: ['label_tr']
-        }
+        ,
+        freezeTableName: true}
     ],
 });
 
diff --git a/backend/models/falukant/type/character_trait.js b/backend/models/falukant/type/character_trait.js
index 778287d..dfd7b7e 100644
--- a/backend/models/falukant/type/character_trait.js
+++ b/backend/models/falukant/type/character_trait.js
@@ -17,7 +17,8 @@ CharacterTrait.init(
     schema: 'falukant_type',
     timestamps: false,
     underscored: true,
-  }
+  ,
+        freezeTableName: true}
 );
 
 export default CharacterTrait;
diff --git a/backend/models/falukant/type/house.js b/backend/models/falukant/type/house.js
index 6c1ec75..4740a3e 100644
--- a/backend/models/falukant/type/house.js
+++ b/backend/models/falukant/type/house.js
@@ -4,7 +4,7 @@ import { sequelize } from '../../../utils/sequelize.js';
 class HouseType extends Model { }
 
 HouseType.init({
-    labelTr: {
+    label_tr: {
         type: DataTypes.STRING,
         allowNull: false,
     },
@@ -16,7 +16,7 @@ HouseType.init({
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    minimumNobleTitle: {
+    minimum_noble_title: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
@@ -31,7 +31,8 @@ HouseType.init({
         {
             unique: true,
             fields: ['label_tr']
-        }
+        ,
+        freezeTableName: true}
     ],
 });
 
diff --git a/backend/models/falukant/type/learn_recipient.js b/backend/models/falukant/type/learn_recipient.js
index 1b71cea..8b72f7d 100644
--- a/backend/models/falukant/type/learn_recipient.js
+++ b/backend/models/falukant/type/learn_recipient.js
@@ -17,7 +17,8 @@ LearnRecipient.init(
     schema: 'falukant_type',
     timestamps: false,
     underscored: true,
-  }
+  ,
+        freezeTableName: true}
 );
 
 export default LearnRecipient;
diff --git a/backend/models/falukant/type/mood.js b/backend/models/falukant/type/mood.js
index d3be72a..feeb45f 100644
--- a/backend/models/falukant/type/mood.js
+++ b/backend/models/falukant/type/mood.js
@@ -17,7 +17,8 @@ Mood.init(
     schema: 'falukant_type',
     timestamps: false,
     underscored: true,
-  }
+  ,
+        freezeTableName: true}
 );
 
 export default Mood;
diff --git a/backend/models/falukant/type/music.js b/backend/models/falukant/type/music.js
index b7d424f..8309668 100644
--- a/backend/models/falukant/type/music.js
+++ b/backend/models/falukant/type/music.js
@@ -13,7 +13,7 @@ MusicType.init(
       type: DataTypes.INTEGER,
       allowNull: false,
     },
-    reputationGrowth: {
+    reputation_growth: {
       type: DataTypes.INTEGER,
       allowNull: false,
     },
@@ -25,7 +25,8 @@ MusicType.init(
     schema: 'falukant_type',
     timestamps: false,
     underscored: true,
-  }
+  ,
+        freezeTableName: true}
 );
 
 export default MusicType;
diff --git a/backend/models/falukant/type/party.js b/backend/models/falukant/type/party.js
index 9621986..ccec089 100644
--- a/backend/models/falukant/type/party.js
+++ b/backend/models/falukant/type/party.js
@@ -13,12 +13,12 @@ PartyType.init(
       type: DataTypes.INTEGER,
       allowNull: false,
     },
-    forMarriage: {
+    for_marriage: {
       type: DataTypes.BOOLEAN,
       allowNull: false,
       defaultValue: false,
     },
-    reputationGrowth: {
+    reputation_growth: {
       type: DataTypes.INTEGER,
       allowNull: false,
     }
@@ -30,7 +30,8 @@ PartyType.init(
     schema: 'falukant_type',
     timestamps: false,
     underscored: true,
-  }
+  ,
+        freezeTableName: true}
 );
 
 export default PartyType;
diff --git a/backend/models/falukant/type/political_office_benefit_type.js b/backend/models/falukant/type/political_office_benefit_type.js
index cbf971a..8e466a2 100644
--- a/backend/models/falukant/type/political_office_benefit_type.js
+++ b/backend/models/falukant/type/political_office_benefit_type.js
@@ -21,6 +21,7 @@ PoliticalOfficeBenefitType.init({
   schema: 'falukant_type',
   timestamps: false,
   underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default PoliticalOfficeBenefitType;
diff --git a/backend/models/falukant/type/political_office_type.js b/backend/models/falukant/type/political_office_type.js
index b89ffc3..3dcf837 100644
--- a/backend/models/falukant/type/political_office_type.js
+++ b/backend/models/falukant/type/political_office_type.js
@@ -13,15 +13,15 @@ PoliticalOfficeType.init({
     type: DataTypes.STRING,
     allowNull: false,
   },
-  seatsPerRegion: {
+  seats_per_region: {
     type: DataTypes.INTEGER,
     allowNull: false,
   },
-  regionType: {
+  region_type: {
     type: DataTypes.STRING,
     allowNull: false,
   },
-  termLength: {                
+  term_length: {                
     type: DataTypes.INTEGER,
     allowNull: false,
     defaultValue: 0,           
@@ -33,6 +33,7 @@ PoliticalOfficeType.init({
   schema: 'falukant_type',
   timestamps: false,
   underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default PoliticalOfficeType;
diff --git a/backend/models/falukant/type/product.js b/backend/models/falukant/type/product.js
index d4a096c..9fbae35 100644
--- a/backend/models/falukant/type/product.js
+++ b/backend/models/falukant/type/product.js
@@ -4,7 +4,7 @@ import { sequelize } from '../../../utils/sequelize.js';
 class ProductType extends Model { }
 
 ProductType.init({
-    labelTr: {
+    label_tr: {
         type: DataTypes.STRING,
         allowNull: false,
     },
@@ -12,11 +12,11 @@ ProductType.init({
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    productionTime: {
+    production_time: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    sellCost: {
+    sell_cost: {
         type: DataTypes.INTEGER,
         allowNull: false,
     }
@@ -31,7 +31,8 @@ ProductType.init({
         {
             unique: true,
             fields: ['label_tr']
-        }
+        ,
+        freezeTableName: true}
     ],
 });
 
diff --git a/backend/models/falukant/type/promotional_gift.js b/backend/models/falukant/type/promotional_gift.js
index b806368..c2319b0 100644
--- a/backend/models/falukant/type/promotional_gift.js
+++ b/backend/models/falukant/type/promotional_gift.js
@@ -26,7 +26,8 @@ PromotionalGift.init(
     schema: 'falukant_type',
     timestamps: false,
     underscored: true,
-  }
+  ,
+        freezeTableName: true}
 );
 
 export default PromotionalGift;
diff --git a/backend/models/falukant/type/region.js b/backend/models/falukant/type/region.js
index 8148202..1c47ba8 100644
--- a/backend/models/falukant/type/region.js
+++ b/backend/models/falukant/type/region.js
@@ -4,11 +4,11 @@ import { sequelize } from '../../../utils/sequelize.js';
 class RegionType extends Model { }
 
 RegionType.init({
-    labelTr: {
+    label_tr: {
         type: DataTypes.STRING,
         allowNull: false,
     },
-    parentId: {
+    parent_id: {
         type: DataTypes.INTEGER,
         allowNull: true,
         references: {
@@ -24,6 +24,7 @@ RegionType.init({
     schema: 'falukant_type',
     timestamps: false,
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default RegionType;
diff --git a/backend/models/falukant/type/relationship.js b/backend/models/falukant/type/relationship.js
index 881782b..071fb4b 100644
--- a/backend/models/falukant/type/relationship.js
+++ b/backend/models/falukant/type/relationship.js
@@ -17,7 +17,8 @@ RelationshipType.init(
     schema: 'falukant_type',
     timestamps: false, 
     underscored: true,
-  }
+  ,
+        freezeTableName: true}
 );
 
 export default RelationshipType;
diff --git a/backend/models/falukant/type/stock.js b/backend/models/falukant/type/stock.js
index ba1aaa4..a6f3763 100644
--- a/backend/models/falukant/type/stock.js
+++ b/backend/models/falukant/type/stock.js
@@ -4,7 +4,7 @@ import { sequelize } from '../../../utils/sequelize.js';
 class FalukantStockType extends Model { }
 
 FalukantStockType.init({
-    labelTr: {
+    label_tr: {
         type: DataTypes.STRING,
         allowNull: false,
         unique: true,
@@ -20,6 +20,7 @@ FalukantStockType.init({
     schema: 'falukant_type',
     timestamps: false,
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default FalukantStockType;
diff --git a/backend/models/falukant/type/title_of_nobility.js b/backend/models/falukant/type/title_of_nobility.js
index 41f8ecf..56d6043 100644
--- a/backend/models/falukant/type/title_of_nobility.js
+++ b/backend/models/falukant/type/title_of_nobility.js
@@ -4,7 +4,7 @@ import { sequelize } from '../../../utils/sequelize.js';
 class TitleOfNobility extends Model { }
 
 TitleOfNobility.init({
-    labelTr: {
+    label_tr: {
         type: DataTypes.STRING,
         allowNull: false,
     },
@@ -20,6 +20,7 @@ TitleOfNobility.init({
     schema: 'falukant_type',
     timestamps: false,
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default TitleOfNobility;
diff --git a/backend/models/falukant/type/title_requirement.js b/backend/models/falukant/type/title_requirement.js
index 78f990e..ee2a4d8 100644
--- a/backend/models/falukant/type/title_requirement.js
+++ b/backend/models/falukant/type/title_requirement.js
@@ -10,15 +10,15 @@ TitleRequirement.init({
         primaryKey: true,
         autoIncrement: true,
     },
-    titleId: {
+    title_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
     },
-    requirementType: {
+    requirement_type: {
         type: DataTypes.STRING,
         allowNull: false,
     },
-    requirementValue: {
+    requirement_value: {
         type: DataTypes.DECIMAL(14, 2),
         allowNull: false,
     },
@@ -34,7 +34,8 @@ TitleRequirement.init({
             unique: true,
             fields: ['title_id', 'requirement_type'],
             name: 'title_requirement_titleid_reqtype_unique'
-        }
+        ,
+        freezeTableName: true}
     ]
 });
 
diff --git a/backend/models/falukant/type/underground.js b/backend/models/falukant/type/underground.js
index 44fef83..6409883 100644
--- a/backend/models/falukant/type/underground.js
+++ b/backend/models/falukant/type/underground.js
@@ -20,6 +20,7 @@ UndergroundType.init({
     schema: 'falukant_type',
     timestamps: false,
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default UndergroundType;
diff --git a/backend/models/forum/forum.js b/backend/models/forum/forum.js
index 134884b..298a9f4 100644
--- a/backend/models/forum/forum.js
+++ b/backend/models/forum/forum.js
@@ -10,6 +10,7 @@ const Forum = sequelize.define('forum', {
     tableName: 'forum',
     schema: 'forum',
     underscored: true
-});
+,
+        freezeTableName: true});
 
 export default Forum;
diff --git a/backend/models/forum/forum_forum_permission.js b/backend/models/forum/forum_forum_permission.js
index cf35b1e..ecf4648 100644
--- a/backend/models/forum/forum_forum_permission.js
+++ b/backend/models/forum/forum_forum_permission.js
@@ -2,7 +2,7 @@ import { sequelize } from '../../utils/sequelize.js';
 import { DataTypes } from 'sequelize';
 
 const ForumForumPermission = sequelize.define('forum_forum_permission', {
-    forumId: {
+    forum_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
         references: {
@@ -10,7 +10,7 @@ const ForumForumPermission = sequelize.define('forum_forum_permission', {
             key: 'id' 
         }
     },
-    permissionId: {
+    permission_id: {
         type: DataTypes.INTEGER,
         allowNull: false, 
         references: { 
@@ -22,6 +22,7 @@ const ForumForumPermission = sequelize.define('forum_forum_permission', {
     tableName: 'forum_forum_permission',
     schema: 'forum',
     underscored: true
-});
+,
+        freezeTableName: true});
 
 export default ForumForumPermission;
diff --git a/backend/models/forum/forum_permission.js b/backend/models/forum/forum_permission.js
index 136800e..ad8c71f 100644
--- a/backend/models/forum/forum_permission.js
+++ b/backend/models/forum/forum_permission.js
@@ -17,6 +17,7 @@ const ForumPermission = sequelize.define('forum_permission', {
     schema: 'forum',
     timestamps: false,
     underscored: true
-});
+,
+        freezeTableName: true});
 
 export default ForumPermission;
diff --git a/backend/models/forum/forum_user_permission.js b/backend/models/forum/forum_user_permission.js
index b57e78c..295f518 100644
--- a/backend/models/forum/forum_user_permission.js
+++ b/backend/models/forum/forum_user_permission.js
@@ -2,15 +2,15 @@ import { sequelize } from '../../utils/sequelize.js';
 import { DataTypes } from 'sequelize';
 
 const ForumUserPermission = sequelize.define('forum_user_permission', {
-    userId: {
+    user_id: {
         type: DataTypes.INTEGER,
         allowNull: true
     },
-    permissionId: {
+    permission_id: {
         type: DataTypes.INTEGER, 
         allowNull: false
     },
-    forumId: {
+    forum_id: {
         type: DataTypes.INTEGER,
         allowNull: false
     },
@@ -18,6 +18,7 @@ const ForumUserPermission = sequelize.define('forum_user_permission', {
     tableName: 'forum_user_permission',
     schema: 'forum',
     underscored: true
-});
+,
+        freezeTableName: true});
 
 export default ForumUserPermission;
diff --git a/backend/models/forum/message.js b/backend/models/forum/message.js
index ffa470f..0d4ccd2 100644
--- a/backend/models/forum/message.js
+++ b/backend/models/forum/message.js
@@ -6,11 +6,11 @@ const Message = sequelize.define('message', {
         type: DataTypes.TEXT,
         allowNull: false
     },
-    createdBy: {
+    created_by: {
         type: DataTypes.INTEGER,
         allowNull: false
     },
-    titleId: {
+    title_id: {
         type: DataTypes.INTEGER,
         allowNull: false
     }
@@ -19,6 +19,7 @@ const Message = sequelize.define('message', {
     schema: 'forum',
     underscored: true,
     timestamps: true
-});
+,
+        freezeTableName: true});
 
 export default Message;
diff --git a/backend/models/forum/message_history.js b/backend/models/forum/message_history.js
index 61eb3bb..3c9d25b 100644
--- a/backend/models/forum/message_history.js
+++ b/backend/models/forum/message_history.js
@@ -2,19 +2,19 @@ import { sequelize } from '../../utils/sequelize.js';
 import { DataTypes } from 'sequelize';
 
 const MessageHistory = sequelize.define('message_history', {
-    messageId: {
+    message_id: {
         type: DataTypes.INTEGER,
         allowNull: false
     },
-    oldText: {
+    old_text: {
         type: DataTypes.TEXT,
         allowNull: false
     },
-    changedBy: {
+    changed_by: {
         type: DataTypes.INTEGER,
         allowNull: false
     },
-    oldUpdatedAt: {
+    old_updated_at: {
         type: DataTypes.DATE,
         allowNull: false
     }
@@ -23,6 +23,7 @@ const MessageHistory = sequelize.define('message_history', {
     schema: 'forum',
     underscored: true,
     timestamps: false
-});
+,
+        freezeTableName: true});
 
 export default MessageHistory;
diff --git a/backend/models/forum/message_image.js b/backend/models/forum/message_image.js
index fc584f5..ce5b58c 100644
--- a/backend/models/forum/message_image.js
+++ b/backend/models/forum/message_image.js
@@ -2,11 +2,11 @@ import { sequelize } from '../../utils/sequelize.js';
 import { DataTypes } from 'sequelize';
 
 const MessageImage = sequelize.define('message_image', {
-    messageId: {
+    message_id: {
         type: DataTypes.INTEGER,
         allowNull: false
     },
-    fileName: {
+    file_name: {
         type: DataTypes.STRING,
         allowNull: false
     }
@@ -15,6 +15,7 @@ const MessageImage = sequelize.define('message_image', {
     schema: 'forum',
     underscored: true,
     timestamps: false
-});
+,
+        freezeTableName: true});
 
 export default MessageImage;
diff --git a/backend/models/forum/title.js b/backend/models/forum/title.js
index 2a2e21e..bdd4781 100644
--- a/backend/models/forum/title.js
+++ b/backend/models/forum/title.js
@@ -11,11 +11,11 @@ const Title = sequelize.define('title', {
         type: DataTypes.STRING,
         allowNull: false
     },
-    createdBy: {
+    created_by: {
         type: DataTypes.INTEGER,
         allowNull: false
     },
-    forumId: {
+    forum_id: {
         type: DataTypes.INTEGER,
         allowNull: false
     }
@@ -24,6 +24,7 @@ const Title = sequelize.define('title', {
     schema: 'forum',
     underscored: true,
     timestamps: true,
-});
+,
+        freezeTableName: true});
 
 export default Title;
diff --git a/backend/models/forum/title_history.js b/backend/models/forum/title_history.js
index 535ef2b..16b4e63 100644
--- a/backend/models/forum/title_history.js
+++ b/backend/models/forum/title_history.js
@@ -2,19 +2,19 @@ import { sequelize } from '../../utils/sequelize.js';
 import { DataTypes } from 'sequelize';
 
 const TitleHistory = sequelize.define('title_history', {
-    titleId: {
+    title_id: {
         type: DataTypes.INTEGER,
         allowNull: false
     },
-    oldTitle: {
+    old_title: {
         type: DataTypes.STRING,
         allowNull: false
     },
-    changedBy: {
+    changed_by: {
         type: DataTypes.INTEGER,
         allowNull: false
     },
-    oldUpdatedAt: {
+    old_updated_at: {
         type: DataTypes.DATE,
         allowNull: false
     }
@@ -23,6 +23,7 @@ const TitleHistory = sequelize.define('title_history', {
     schema: 'forum',
     underscored: true,
     timestamps: false
-});
+,
+        freezeTableName: true});
 
 export default TitleHistory;
diff --git a/backend/models/logs/login.js b/backend/models/logs/login.js
index 8f65c27..c017a9a 100644
--- a/backend/models/logs/login.js
+++ b/backend/models/logs/login.js
@@ -13,7 +13,7 @@ const Login = sequelize.define('login', {
     }
 }, {
     schema: 'logs',
-  underscored: true,
+    underscored: true,
     tableName: 'login'
 });
 
diff --git a/backend/models/match3/campaign.js b/backend/models/match3/campaign.js
index 8c2fafb..b4590b8 100644
--- a/backend/models/match3/campaign.js
+++ b/backend/models/match3/campaign.js
@@ -15,7 +15,7 @@ const Campaign = sequelize.define('Campaign', {
     type: DataTypes.TEXT,
     allowNull: true
   },
-  isActive: {
+  is_active: {
     type: DataTypes.BOOLEAN,
     defaultValue: true
   },
@@ -23,11 +23,11 @@ const Campaign = sequelize.define('Campaign', {
     type: DataTypes.INTEGER,
     defaultValue: 1
   },
-  createdAt: {
+  created_at: {
     type: DataTypes.DATE,
     defaultValue: DataTypes.NOW
   },
-  updatedAt: {
+  updated_at: {
     type: DataTypes.DATE,
     defaultValue: DataTypes.NOW
   }
@@ -36,6 +36,7 @@ const Campaign = sequelize.define('Campaign', {
   schema: 'match3',
   timestamps: true,
   underscored: true  // WICHTIG: Alle Datenbankfelder im snake_case Format
-});
+,
+        freezeTableName: true});
 
 export default Campaign;
diff --git a/backend/models/match3/level.js b/backend/models/match3/level.js
index 2f478c7..ae34a7b 100644
--- a/backend/models/match3/level.js
+++ b/backend/models/match3/level.js
@@ -7,7 +7,7 @@ const Match3Level = sequelize.define('Match3Level', {
     primaryKey: true,
     autoIncrement: true
   },
-  campaignId: {
+  campaign_id: {
     type: DataTypes.INTEGER,
     allowNull: false,
     references: {
@@ -27,40 +27,40 @@ const Match3Level = sequelize.define('Match3Level', {
     type: DataTypes.INTEGER,
     allowNull: false
   },
-  boardLayout: {
+  board_layout: {
     type: DataTypes.TEXT,
     allowNull: true, // Ändern zu true, da bereits existierende Datensätze vorhanden sind
     defaultValue: 'xxxxxx\nxxxxxx\nxxxxxx\nxxxxxx\nxxxxxx\nxxxxxx', // Standard-Layout für neue Level
     comment: 'Level-Form als String (o = kein Feld, x = Feld, Zeilen durch \n getrennt)'
   },
-  boardWidth: {
+  board_width: {
     type: DataTypes.INTEGER,
     allowNull: true, // Ändern zu true, da bereits existierende Datensätze vorhanden sind
     defaultValue: 6, // Standardwert für neue Level
     comment: 'Breite des Level-Boards'
   },
-  boardHeight: {
+  board_height: {
     type: DataTypes.INTEGER,
     allowNull: true, // Ändern zu true, da bereits existierende Datensätze vorhanden sind
     defaultValue: 6, // Standardwert für neue Level
     comment: 'Höhe des Level-Boards'
   },
-  tileTypes: {
+  tile_types: {
     type: DataTypes.JSON,
     allowNull: true, // Ändern zu true, da wir jetzt eine Verknüpfungstabelle haben
     comment: 'Legacy: Array der verfügbaren Tile-Typen (wird durch levelTileTypes ersetzt)'
   },
-  moveLimit: {
+  move_limit: {
     type: DataTypes.INTEGER,
     allowNull: false,
     defaultValue: 20
   },
-  timeLimit: {
+  time_limit: {
     type: DataTypes.INTEGER,
     allowNull: true,
     comment: 'Zeitlimit in Sekunden (null = kein Limit)'
   },
-  isActive: {
+  is_active: {
     type: DataTypes.BOOLEAN,
     allowNull: false,
     defaultValue: true
@@ -70,6 +70,7 @@ const Match3Level = sequelize.define('Match3Level', {
   schema: 'match3',
   timestamps: true,
   underscored: true  // WICHTIG: Alle Datenbankfelder im snake_case Format
-});
+,
+        freezeTableName: true});
 
 export default Match3Level;
diff --git a/backend/models/match3/levelTileType.js b/backend/models/match3/levelTileType.js
index 55535b2..3931745 100644
--- a/backend/models/match3/levelTileType.js
+++ b/backend/models/match3/levelTileType.js
@@ -7,7 +7,7 @@ const Match3LevelTileType = sequelize.define('Match3LevelTileType', {
     primaryKey: true,
     autoIncrement: true
   },
-  levelId: {
+  level_id: {
     type: DataTypes.INTEGER,
     allowNull: false,
     references: {
@@ -16,7 +16,7 @@ const Match3LevelTileType = sequelize.define('Match3LevelTileType', {
     },
     comment: 'Referenz auf den Level'
   },
-  tileTypeId: {
+  tile_type_id: {
     type: DataTypes.INTEGER,
     allowNull: false,
     references: {
@@ -31,7 +31,7 @@ const Match3LevelTileType = sequelize.define('Match3LevelTileType', {
     defaultValue: 1,
     comment: 'Gewichtung für die Wahrscheinlichkeit, dass dieser Tile-Typ erscheint'
   },
-  isActive: {
+  is_active: {
     type: DataTypes.BOOLEAN,
     allowNull: false,
     defaultValue: true,
@@ -46,7 +46,8 @@ const Match3LevelTileType = sequelize.define('Match3LevelTileType', {
     {
       unique: true,
       fields: ['level_id', 'tile_type_id']  // WICHTIG: Bei underscored: true müssen snake_case Namen verwendet werden
-    }
+    ,
+        freezeTableName: true}
   ]
 });
 
diff --git a/backend/models/match3/objective.js b/backend/models/match3/objective.js
index 651a381..bfb1f00 100644
--- a/backend/models/match3/objective.js
+++ b/backend/models/match3/objective.js
@@ -7,7 +7,7 @@ const Objective = sequelize.define('Objective', {
     primaryKey: true,
     autoIncrement: true
   },
-  levelId: {
+  level_id: {
     type: DataTypes.INTEGER,
     allowNull: false
   },
@@ -31,15 +31,15 @@ const Objective = sequelize.define('Objective', {
     type: DataTypes.INTEGER,
     defaultValue: 1
   },
-  isRequired: {
+  is_required: {
     type: DataTypes.BOOLEAN,
     defaultValue: true
   },
-  createdAt: {
+  created_at: {
     type: DataTypes.DATE,
     defaultValue: DataTypes.NOW
   },
-  updatedAt: {
+  updated_at: {
     type: DataTypes.DATE,
     defaultValue: DataTypes.NOW
   }
@@ -48,6 +48,7 @@ const Objective = sequelize.define('Objective', {
   schema: 'match3',
   timestamps: true,
   underscored: true  // WICHTIG: Alle Datenbankfelder im snake_case Format
-});
+,
+        freezeTableName: true});
 
 export default Objective;
diff --git a/backend/models/match3/tileType.js b/backend/models/match3/tileType.js
index b30649f..4733ea6 100644
--- a/backend/models/match3/tileType.js
+++ b/backend/models/match3/tileType.js
@@ -12,7 +12,7 @@ const Match3TileType = sequelize.define('Match3TileType', {
     allowNull: false,
     comment: 'Eindeutiger Name des Tile-Typs (z.B. "gem", "star", "heart")'
   },
-  displayName: {
+  display_name: {
     type: DataTypes.STRING(100),
     allowNull: false,
     comment: 'Anzeigename des Tile-Typs (z.B. "Juwel", "Stern", "Herz")'
@@ -39,7 +39,7 @@ const Match3TileType = sequelize.define('Match3TileType', {
     defaultValue: 10,
     comment: 'Punkte, die dieser Tile-Typ beim Matchen gibt'
   },
-  isActive: {
+  is_active: {
     type: DataTypes.BOOLEAN,
     allowNull: false,
     defaultValue: true,
@@ -54,7 +54,8 @@ const Match3TileType = sequelize.define('Match3TileType', {
     {
       unique: true,
       fields: ['name']
-    }
+    ,
+        freezeTableName: true}
   ]
 });
 
diff --git a/backend/models/match3/userLevelProgress.js b/backend/models/match3/userLevelProgress.js
index 31e5fc8..1783650 100644
--- a/backend/models/match3/userLevelProgress.js
+++ b/backend/models/match3/userLevelProgress.js
@@ -7,11 +7,11 @@ const UserLevelProgress = sequelize.define('UserLevelProgress', {
     primaryKey: true,
     autoIncrement: true
   },
-  userProgressId: {
+  user_progress_id: {
     type: DataTypes.INTEGER,
     allowNull: false
   },
-  levelId: {
+  level_id: {
     type: DataTypes.INTEGER,
     allowNull: false
   },
@@ -31,7 +31,7 @@ const UserLevelProgress = sequelize.define('UserLevelProgress', {
     type: DataTypes.INTEGER,
     defaultValue: 0
   },
-  isCompleted: {
+  is_completed: {
     type: DataTypes.BOOLEAN,
     defaultValue: false
   },
@@ -39,27 +39,27 @@ const UserLevelProgress = sequelize.define('UserLevelProgress', {
     type: DataTypes.INTEGER,
     defaultValue: 1
   },
-  bestScore: {
+  best_score: {
     type: DataTypes.INTEGER,
     defaultValue: 0
   },
-  bestMoves: {
+  best_moves: {
     type: DataTypes.INTEGER,
     defaultValue: 0
   },
-  bestTime: {
+  best_time: {
     type: DataTypes.INTEGER,
     defaultValue: 0
   },
-  completedAt: {
+  completed_at: {
     type: DataTypes.DATE,
     allowNull: true
   },
-  createdAt: {
+  created_at: {
     type: DataTypes.DATE,
     defaultValue: DataTypes.NOW
   },
-  updatedAt: {
+  updated_at: {
     type: DataTypes.DATE,
     defaultValue: DataTypes.NOW
   }
@@ -72,7 +72,8 @@ const UserLevelProgress = sequelize.define('UserLevelProgress', {
     {
       unique: true,
       fields: ['user_progress_id', 'level_id']  // WICHTIG: Bei underscored: true müssen snake_case Namen verwendet werden
-    }
+    ,
+        freezeTableName: true}
   ]
 });
 
diff --git a/backend/models/match3/userProgress.js b/backend/models/match3/userProgress.js
index f10d2d4..bec19a7 100644
--- a/backend/models/match3/userProgress.js
+++ b/backend/models/match3/userProgress.js
@@ -7,43 +7,43 @@ const UserProgress = sequelize.define('UserProgress', {
     primaryKey: true,
     autoIncrement: true
   },
-  userId: {
+  user_id: {
     type: DataTypes.STRING(255),
     allowNull: false
   },
-  campaignId: {
+  campaign_id: {
     type: DataTypes.INTEGER,
     allowNull: false
   },
-  totalScore: {
+  total_score: {
     type: DataTypes.INTEGER,
     defaultValue: 0
   },
-  totalStars: {
+  total_stars: {
     type: DataTypes.INTEGER,
     defaultValue: 0
   },
-  levelsCompleted: {
+  levels_completed: {
     type: DataTypes.INTEGER,
     defaultValue: 0
   },
-  currentLevel: {
+  current_level: {
     type: DataTypes.INTEGER,
     defaultValue: 1
   },
-  isCompleted: {
+  is_completed: {
     type: DataTypes.BOOLEAN,
     defaultValue: false
   },
-  lastPlayed: {
+  last_played: {
     type: DataTypes.DATE,
     defaultValue: DataTypes.NOW
   },
-  createdAt: {
+  created_at: {
     type: DataTypes.DATE,
     defaultValue: DataTypes.NOW
   },
-  updatedAt: {
+  updated_at: {
     type: DataTypes.DATE,
     defaultValue: DataTypes.NOW
   }
@@ -56,7 +56,8 @@ const UserProgress = sequelize.define('UserProgress', {
     {
       unique: true,
       fields: ['user_id', 'campaign_id']  // WICHTIG: Bei underscored: true müssen snake_case Namen verwendet werden
-    }
+    ,
+        freezeTableName: true}
   ]
 });
 
diff --git a/backend/models/service/contactmessage.js b/backend/models/service/contactmessage.js
index d3cbe27..e49890c 100644
--- a/backend/models/service/contactmessage.js
+++ b/backend/models/service/contactmessage.js
@@ -51,11 +51,11 @@ const ContactMessage = sequelize.define('contact_message', {
             }
         }
     },
-    allowDataSave: {
+    allow_data_save: {
         type: DataTypes.BOOLEAN,
         allowNull: false
     },
-    isFinished: {
+    is_finished: {
         type: DataTypes.BOOLEAN,
         allowNull: false,
         defaultValue: false
@@ -77,11 +77,11 @@ const ContactMessage = sequelize.define('contact_message', {
             }
         }
     },
-    answeredAt: {
+    answered_at: {
         type: DataTypes.DATE,
         allowNull: true
     },
-    isAnswered: {
+    is_answered: {
         type: DataTypes.BOOLEAN,
         allowNull: false,
         defaultValue: false
@@ -91,6 +91,7 @@ const ContactMessage = sequelize.define('contact_message', {
     timestamps: true,
     schema: 'service',
     underscored: true
-});
+,
+        freezeTableName: true});
 
 export default ContactMessage;
diff --git a/backend/models/service/minigame_campaign.js b/backend/models/service/minigame_campaign.js
index e83f078..feb5cb6 100644
--- a/backend/models/service/minigame_campaign.js
+++ b/backend/models/service/minigame_campaign.js
@@ -19,6 +19,7 @@ const MinigameCampaign = sequelize.define('minigame_campaign', {
   tableName: 'minigame_campaign',
   schema: 'service',
   underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default MinigameCampaign;
diff --git a/backend/models/service/minigame_campaign_level.js b/backend/models/service/minigame_campaign_level.js
index 03e5f5e..271d8b9 100644
--- a/backend/models/service/minigame_campaign_level.js
+++ b/backend/models/service/minigame_campaign_level.js
@@ -2,7 +2,7 @@ import { sequelize } from '../../utils/sequelize.js';
 import { DataTypes } from 'sequelize';
 
 const MinigameCampaignLevel = sequelize.define('minigame_campaign_level', {
-  campaignId: {
+  campaign_id: {
     type: DataTypes.INTEGER,
     allowNull: false,
     field: 'campaign_id'
@@ -20,6 +20,7 @@ const MinigameCampaignLevel = sequelize.define('minigame_campaign_level', {
   tableName: 'minigame_campaign_level',
   schema: 'service',
   underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default MinigameCampaignLevel;
diff --git a/backend/models/service/minigame_user_progress.js b/backend/models/service/minigame_user_progress.js
index b480369..1efba27 100644
--- a/backend/models/service/minigame_user_progress.js
+++ b/backend/models/service/minigame_user_progress.js
@@ -2,17 +2,17 @@ import { sequelize } from '../../utils/sequelize.js';
 import { DataTypes } from 'sequelize';
 
 const MinigameUserProgress = sequelize.define('minigame_user_progress', {
-  userId: {
+  user_id: {
     type: DataTypes.INTEGER,
     allowNull: false,
     field: 'user_id'
   },
-  campaignId: {
+  campaign_id: {
     type: DataTypes.INTEGER,
     allowNull: false,
     field: 'campaign_id'
   },
-  levelIndex: {
+  level_index: {
     type: DataTypes.INTEGER,
     allowNull: false,
     defaultValue: 1,
@@ -23,7 +23,7 @@ const MinigameUserProgress = sequelize.define('minigame_user_progress', {
     allowNull: false,
     defaultValue: 0
   },
-  bestScore: {
+  best_score: {
     type: DataTypes.INTEGER,
     allowNull: false,
     defaultValue: 0,
@@ -34,7 +34,8 @@ const MinigameUserProgress = sequelize.define('minigame_user_progress', {
   schema: 'service',
   underscored: true,
   indexes: [
-    { unique: true, fields: ['user_id', 'campaign_id'] }
+    { unique: true, fields: ['user_id', 'campaign_id'] ,
+        freezeTableName: true}
   ]
 });
 
diff --git a/backend/models/type/image_visibility.js b/backend/models/type/image_visibility.js
index c34d526..1b80268 100644
--- a/backend/models/type/image_visibility.js
+++ b/backend/models/type/image_visibility.js
@@ -17,6 +17,7 @@ const ImageVisibilityType = sequelize.define('image_visibility_type', {
     schema: 'type',
     timestamps: false,
     underscored: true,
-});
+,
+        freezeTableName: true});
 
 export default ImageVisibilityType;
diff --git a/backend/models/type/interest.js b/backend/models/type/interest.js
index ab7ea6e..77f1a89 100644
--- a/backend/models/type/interest.js
+++ b/backend/models/type/interest.js
@@ -11,7 +11,7 @@ const Interest = sequelize.define('interest_type', {
         allowNull: false,
         defaultValue: false
     },
-    adultOnly: {
+    adult_only: {
         type: DataTypes.BOOLEAN,
         allowNull: false,
         defaultValue: true,
@@ -20,6 +20,7 @@ const Interest = sequelize.define('interest_type', {
     tableName: 'interest',
     schema: 'type',
     underscored: true
-});
+,
+        freezeTableName: true});
 
 export default Interest;
\ No newline at end of file
diff --git a/backend/models/type/interest_translation.js b/backend/models/type/interest_translation.js
index 7e4b028..424e66a 100644
--- a/backend/models/type/interest_translation.js
+++ b/backend/models/type/interest_translation.js
@@ -11,7 +11,7 @@ const interestTranslation = sequelize.define('interest_translation_type', {
         type: DataTypes.INTEGER,
         allowNull: false
     },
-    interestsId: {
+    interests_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
         references: {
@@ -25,6 +25,7 @@ const interestTranslation = sequelize.define('interest_translation_type', {
     tableName: 'interest_translation', 
     schema: 'type',
     underscored: true
-});
+,
+        freezeTableName: true});
 
 export default interestTranslation;
\ No newline at end of file
diff --git a/backend/models/type/settings.js b/backend/models/type/settings.js
index d4c58cd..5341fcb 100644
--- a/backend/models/type/settings.js
+++ b/backend/models/type/settings.js
@@ -10,6 +10,7 @@ const Settings = sequelize.define('settings_type', {
     tableName: 'settings',
     schema: 'type',
     underscored: true
-});
+,
+        freezeTableName: true});
 
 export default Settings;
\ No newline at end of file
diff --git a/backend/models/type/user_param.js b/backend/models/type/user_param.js
index 2fae1d9..423f709 100644
--- a/backend/models/type/user_param.js
+++ b/backend/models/type/user_param.js
@@ -6,7 +6,7 @@ const UserParamType = sequelize.define('user_param_type', {
         type: DataTypes.STRING,
         allowNull: false
     },
-    minAge: { 
+    min_age: { 
         type: DataTypes.INTEGER,
         allowNull: true
     },
@@ -19,7 +19,7 @@ const UserParamType = sequelize.define('user_param_type', {
         allowNull: false,
         defaultValue: 'string'
     },
-    settingsId: {
+    settings_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
         references: {
@@ -27,7 +27,7 @@ const UserParamType = sequelize.define('user_param_type', {
             key: 'id'
         }
     },
-    orderId: {
+    order_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
         defaultValue: 0
@@ -40,6 +40,7 @@ const UserParamType = sequelize.define('user_param_type', {
     tableName: 'user_param',
     schema: 'type',
     underscored: true
-});
+,
+        freezeTableName: true});
 
 export default UserParamType;
diff --git a/backend/models/type/user_param_value.js b/backend/models/type/user_param_value.js
index 462b28a..7492a9e 100644
--- a/backend/models/type/user_param_value.js
+++ b/backend/models/type/user_param_value.js
@@ -8,7 +8,7 @@ const UserParamValue = sequelize.define('user_param_value', {
         primaryKey: true,
         autoIncrement: true
     },
-    userParamTypeId: {
+    user_param_type_id: {
         type: DataTypes.INTEGER,
         allowNull: false
     },
@@ -16,7 +16,7 @@ const UserParamValue = sequelize.define('user_param_value', {
         type: DataTypes.STRING, 
         allowNull: false 
     },
-    orderId: {
+    order_id: {
         type: DataTypes.INTEGER,
         allowNull: false,
         defaultValue: 0
@@ -26,7 +26,8 @@ const UserParamValue = sequelize.define('user_param_value', {
     tableName: 'user_param_value',
     schema: 'type',
     underscored: true
-}
+,
+        freezeTableName: true}
 );
 
 export default UserParamValue;
diff --git a/backend/models/type/user_param_visibility.js b/backend/models/type/user_param_visibility.js
index 4bcdc73..e2a1157 100644
--- a/backend/models/type/user_param_visibility.js
+++ b/backend/models/type/user_param_visibility.js
@@ -17,6 +17,7 @@ const UserParamVisibilityType = sequelize.define('user_param_visibility_type', {
     timestamps: false,
     underscored: true,
     schema: 'type'
-});
+,
+        freezeTableName: true});
 
 export default UserParamVisibilityType;
diff --git a/backend/models/type/user_right.js b/backend/models/type/user_right.js
index 4e3b00c..6eb792c 100644
--- a/backend/models/type/user_right.js
+++ b/backend/models/type/user_right.js
@@ -10,6 +10,7 @@ const UserRightType = sequelize.define('user_right_type', {
     tableName: 'user_right',
     schema: 'type',
     underscored: true
-});
+,
+        freezeTableName: true});
 
 export default UserRightType;
diff --git a/backend/utils/checkLoginTable.js b/backend/utils/checkLoginTable.js
new file mode 100644
index 0000000..93762bd
--- /dev/null
+++ b/backend/utils/checkLoginTable.js
@@ -0,0 +1,57 @@
+import { sequelize } from './sequelize.js';
+
+async function checkLoginTable() {
+  console.log('🔍 Überprüfe logs.login Tabelle...');
+  
+  try {
+    // Prüfe die Spaltenstruktur der logs.login Tabelle
+    const columns = await sequelize.query(
+      `SELECT column_name, data_type, is_nullable, column_default
+       FROM information_schema.columns 
+       WHERE table_schema = 'logs' AND table_name = 'login' 
+       ORDER BY ordinal_position`,
+      { type: sequelize.QueryTypes.SELECT }
+    );
+    
+    if (columns.length === 0) {
+      console.log('❌ Tabelle logs.login existiert nicht!');
+    } else {
+      console.log('📊 logs.login Tabellen-Struktur:');
+      columns.forEach(col => {
+        const defaultValue = col.column_default ? ` (default: ${col.column_default})` : '';
+        console.log(`  ✅ ${col.column_name} (${col.data_type}, nullable: ${col.is_nullable})${defaultValue}`);
+      });
+    }
+    
+    // Prüfe auch ein paar Beispieldaten
+    const sampleData = await sequelize.query(
+      `SELECT * FROM logs.login LIMIT 3`,
+      { type: sequelize.QueryTypes.SELECT }
+    );
+    
+    if (sampleData.length > 0) {
+      console.log('\n📋 Beispieldaten:');
+      sampleData.forEach((row, index) => {
+        console.log(`  ${index + 1}: ${JSON.stringify(row)}`);
+      });
+    } else {
+      console.log('\n📋 Keine Daten in der Tabelle gefunden.');
+    }
+    
+  } catch (error) {
+    console.error('❌ Fehler beim Überprüfen der logs.login Tabelle:', error.message);
+  } finally {
+    await sequelize.close();
+  }
+}
+
+// Führe die Überprüfung aus
+checkLoginTable()
+  .then(() => {
+    console.log('\n✅ Login-Tabellenüberprüfung abgeschlossen!');
+    process.exit(0);
+  })
+  .catch((error) => {
+    console.error('💥 Login-Tabellenüberprüfung fehlgeschlagen:', error);
+    process.exit(1);
+  });