Index: src/main/java/com/example/moviezone/model/Projection.java
===================================================================
--- src/main/java/com/example/moviezone/model/Projection.java	(revision 69dc56166014c34f15d010f9cd159cdeebe138ba)
+++ src/main/java/com/example/moviezone/model/Projection.java	(revision e68190fe990448720f93603179f702d155a8f0bf)
@@ -27,4 +27,6 @@
     @ManyToOne
     Event event;
+    @ManyToOne
+    Discount discount;
 
 }
Index: src/main/java/com/example/moviezone/model/Seat.java
===================================================================
--- src/main/java/com/example/moviezone/model/Seat.java	(revision e68190fe990448720f93603179f702d155a8f0bf)
+++ src/main/java/com/example/moviezone/model/Seat.java	(revision e68190fe990448720f93603179f702d155a8f0bf)
@@ -0,0 +1,24 @@
+package com.example.moviezone.model;
+
+import jakarta.persistence.*;
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+
+@Entity
+@Getter
+@Setter
+@ToString
+@Table(name = "seats")
+public class Seat {
+    @Id
+    @Column(name = "id_seat", nullable = false)
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    Integer id_seat;
+    Integer seat_number;
+    @ManyToOne
+    Projection_Room projection_room;
+    @ManyToOne
+    Category category;
+
+}