diff --git a/src/models/booking.model.ts b/src/models/booking.model.ts
index 6c6df2c..2a5ec45 100644
--- a/src/models/booking.model.ts
+++ b/src/models/booking.model.ts
@@ -9,7 +9,6 @@ import Client from "./client.model.ts";
 export default class Booking extends Model {
   @Unique
   @Column({
-    type: DataType.INTEGER,
     primaryKey: true,
     autoIncrement: true,
     field: "id"
@@ -18,7 +17,6 @@ export default class Booking extends Model {
 
   @ForeignKey(() => Hotel)
   @Column({
-    type: DataType.INTEGER,
     field: "HotelId"
   })
   hotelId: number;
@@ -26,28 +24,11 @@ export default class Booking extends Model {
   @BelongsTo(() => Hotel)
   hotel: Hotel;
 
-  @Column({
-    type: DataType.STRING(255),
-    field: "Name"
-  })
-  name?: string;
-
-  @Column({
-    type: DataType.STRING(255),
-    field: "Address"
-  })
-  address?: string;
-
-  @Column({
-    type: DataType.DATE,
-    field: "CreatedDate"
-    defaultValue: DataType.NOW
-  })
+  @CreatedAt
   createdDate: Date;
 
   @ForeignKey(() => Client)
   @Column({
-    type: DataType.INTEGER,
     field: "clientId"
   })
   clientId: number;
diff --git a/src/models/client.model.ts b/src/models/client.model.ts
index 5bc52f4..2db4754 100644
--- a/src/models/client.model.ts
+++ b/src/models/client.model.ts
@@ -9,7 +9,6 @@ import Booking from "./booking.model.ts";
 export default class Client extends Model {
   @Unique
   @Column({
-    type: DataType.INTEGER,
     primaryKey: true,
     autoIncrement: true,
     field: "id"
@@ -17,28 +16,21 @@ export default class Client extends Model {
   id: number;
 
   @Column({
-    type: DataType.STRING(255),
     field: "Name"
   })
   name: string;
 
   @Column({
-    type: DataType.STRING(255),
     field: "Address"
   })
   address: string;
 
   @Column({
-    type: DataType.STRING(255),
     field: "Phone"
   })
   phone: string;
 
-  @Column({
-    type: DataType.DATE,
-    field: "CreatedDate"
-    defaultValue: DataType.NOW
-  })
+  @CreatedAt
   createdDate: Date;
 
   @HasMany(() => Booking)
diff --git a/src/models/hotel.model.ts b/src/models/hotel.model.ts
index c61533c..2586392 100644
--- a/src/models/hotel.model.ts
+++ b/src/models/hotel.model.ts
@@ -17,22 +17,16 @@ export default class Hotel extends Model {
   id: number;
 
   @Column({
-    type: DataType.STRING(255),
     field: "Name"
   })
   name: string;
 
   @Column({
-    type: DataType.STRING(255),
     field: "Address"
   })
   address: string;
 
-  @Column({
-    type: DataType.DATE,
-    field: "CreatedDate"
-    defaultValue: DataType.NOW
-  })
+  @CreatedAt
   createdDate: Date;
 
   @HasMany(() => Booking)