diff --git a/db/migrations/000019_create_chat_room_message.up.sql b/db/migrations/000019_create_chat_room_message.up.sql
index af48d1f9..fd3263aa 100644
--- a/db/migrations/000019_create_chat_room_message.up.sql
+++ b/db/migrations/000019_create_chat_room_message.up.sql
@@ -23,8 +23,7 @@ CREATE TABLE user_chat_rooms (
     id SERIAL PRIMARY KEY,
     user_id BIGINT NOT NULL,
     room_id BIGINT NOT NULL,
-    created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    deleted_at TIMESTAMPTZ,
+    joined_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    left_at TIMESTAMPTZ,
     FOREIGN KEY (room_id) REFERENCES chat_rooms(id)
 );
\ No newline at end of file
diff --git a/internal/chat/room.go b/internal/chat/room.go
index ba6d141a..3ac54f59 100644
--- a/internal/chat/room.go
+++ b/internal/chat/room.go
@@ -29,7 +29,7 @@ func NewRoom(name string, roomType chat.RoomType, roomService *service.ChatServi
 	}
 
 	return &Room{
-		ID:         row.ID,
+		ID:         int64(row.ID),
 		Name:       row.Name,
 		RoomType:   row.RoomType,
 		clients:    make(map[*Client]bool),
diff --git a/internal/domain/chat/model.go b/internal/domain/chat/model.go
index 41be98b3..110de467 100644
--- a/internal/domain/chat/model.go
+++ b/internal/domain/chat/model.go
@@ -18,7 +18,7 @@ const (
 )
 
 type Room struct {
-	ID        int64     `field:"id" json:"id"`
+	ID        int32     `field:"id" json:"id"`
 	Name      string    `field:"name" json:"name"`
 	RoomType  RoomType  `field:"RoomType" json:"RoomType"`
 	CreatedAt time.Time `field:"createdAt" json:"createdAt"`
@@ -27,7 +27,7 @@ type Room struct {
 }
 
 type Message struct {
-	ID          int64       `field:"id" json:"id"`
+	ID          int32       `field:"id" json:"id"`
 	UserID      int64       `field:"userID" json:"userID"`
 	RoomID      int64       `field:"roomID" json:"roomID"`
 	MessageType MessageType `field:"messageType" json:"messageType"`
@@ -38,10 +38,9 @@ type Message struct {
 }
 
 type UserChatRoom struct {
-	ID        int64     `field:"id" json:"id"`
-	UserID    int64     `field:"userID" json:"userID"`
-	RoomID    int64     `field:"roomID" json:"roomID"`
-	CreatedAt time.Time `field:"createdAt" json:"createdAt"`
-	UpdatedAt time.Time `field:"updatedAt" json:"updatedAt"`
-	DeletedAt time.Time `field:"deletedAt" json:"deletedAt"`
+	ID       int32     `field:"id" json:"id"`
+	UserID   int64     `field:"userID" json:"userID"`
+	RoomID   int64     `field:"roomID" json:"roomID"`
+	JoinedAt time.Time `field:"joinedAt" json:"joinedAt"`
+	LeftAt   time.Time `field:"leftAt" json:"leftAt"`
 }
diff --git a/internal/domain/chat/view.go b/internal/domain/chat/view.go
index ecf9f184..0936d1a3 100644
--- a/internal/domain/chat/view.go
+++ b/internal/domain/chat/view.go
@@ -7,18 +7,16 @@ import (
 )
 
 type JoinRoomView struct {
-	UserID    int64
-	RoomID    int64
-	CreatedAt time.Time
-	UpdatedAt time.Time
+	UserID   int64
+	RoomID   int64
+	JoinedAt time.Time
 }
 
 func ToJoinRoomView(row databasegen.JoinRoomRow) *JoinRoomView {
 	return &JoinRoomView{
-		UserID:    row.UserID,
-		RoomID:    row.RoomID,
-		CreatedAt: row.CreatedAt,
-		UpdatedAt: row.UpdatedAt,
+		UserID:   row.UserID,
+		RoomID:   row.RoomID,
+		JoinedAt: row.JoinedAt,
 	}
 }
 
diff --git a/internal/infra/database/gen/chats.sql.go b/internal/infra/database/gen/chats.sql.go
index 62125419..fdc8edde 100644
--- a/internal/infra/database/gen/chats.sql.go
+++ b/internal/infra/database/gen/chats.sql.go
@@ -27,7 +27,7 @@ type CreateRoomParams struct {
 }
 
 type CreateRoomRow struct {
-	ID        int64
+	ID        int32
 	Name      string
 	RoomType  string
 	CreatedAt time.Time
@@ -69,7 +69,7 @@ type FindMessageByRoomIDParams struct {
 }
 
 type FindMessageByRoomIDRow struct {
-	ID          int64
+	ID          int32
 	UserID      int64
 	RoomID      int64
 	MessageType string
@@ -120,14 +120,14 @@ WHERE
 `
 
 type FindRoomByIDRow struct {
-	ID        int64
+	ID        int32
 	Name      string
 	RoomType  string
 	CreatedAt time.Time
 	UpdatedAt time.Time
 }
 
-func (q *Queries) FindRoomByID(ctx context.Context, id sql.NullInt64) (FindRoomByIDRow, error) {
+func (q *Queries) FindRoomByID(ctx context.Context, id sql.NullInt32) (FindRoomByIDRow, error) {
 	row := q.db.QueryRowContext(ctx, findRoomByID, id)
 	var i FindRoomByIDRow
 	err := row.Scan(
@@ -144,10 +144,9 @@ const joinRoom = `-- name: JoinRoom :one
 INSERT INTO user_chat_rooms
 (user_id, 
 room_id,
-created_at,
-updated_at) 
-VALUES ($1, $2, NOW(), NOW())
-RETURNING id, user_id, room_id, created_at, updated_at
+joined_at)
+VALUES ($1, $2, NOW())
+RETURNING id, user_id, room_id, joined_at
 `
 
 type JoinRoomParams struct {
@@ -156,11 +155,10 @@ type JoinRoomParams struct {
 }
 
 type JoinRoomRow struct {
-	ID        int64
-	UserID    int64
-	RoomID    int64
-	CreatedAt time.Time
-	UpdatedAt time.Time
+	ID       int32
+	UserID   int64
+	RoomID   int64
+	JoinedAt time.Time
 }
 
 func (q *Queries) JoinRoom(ctx context.Context, arg JoinRoomParams) (JoinRoomRow, error) {
@@ -170,8 +168,7 @@ func (q *Queries) JoinRoom(ctx context.Context, arg JoinRoomParams) (JoinRoomRow
 		&i.ID,
 		&i.UserID,
 		&i.RoomID,
-		&i.CreatedAt,
-		&i.UpdatedAt,
+		&i.JoinedAt,
 	)
 	return i, err
 }
@@ -179,7 +176,7 @@ func (q *Queries) JoinRoom(ctx context.Context, arg JoinRoomParams) (JoinRoomRow
 const leaveRoom = `-- name: LeaveRoom :exec
 UPDATE 
     user_chat_rooms
-SET deleted_at = NOW()
+SET left_at = NOW()
 WHERE user_id = $1
 AND room_id = $2
 `
@@ -214,7 +211,7 @@ type WriteMessageParams struct {
 }
 
 type WriteMessageRow struct {
-	ID          int64
+	ID          int32
 	UserID      int64
 	RoomID      int64
 	MessageType string
diff --git a/internal/infra/database/gen/models.go b/internal/infra/database/gen/models.go
index 94074e3f..0bb2fe3c 100644
--- a/internal/infra/database/gen/models.go
+++ b/internal/infra/database/gen/models.go
@@ -30,7 +30,7 @@ type Breed struct {
 }
 
 type ChatMessage struct {
-	ID          int64
+	ID          int32
 	UserID      int64
 	RoomID      int64
 	MessageType string
@@ -41,7 +41,7 @@ type ChatMessage struct {
 }
 
 type ChatRoom struct {
-	ID        int64
+	ID        int32
 	Name      string
 	RoomType  string
 	CreatedAt time.Time
@@ -159,23 +159,12 @@ type User struct {
 	ProfileImageID sql.NullInt64
 }
 
-type UserChatMessage struct {
-	ID        int64
-	UserID    int64
-	MessageID int64
-	RoomID    int64
-	CreatedAt time.Time
-	UpdatedAt time.Time
-	DeletedAt sql.NullTime
-}
-
 type UserChatRoom struct {
-	ID        int64
-	UserID    int64
-	RoomID    int64
-	CreatedAt time.Time
-	UpdatedAt time.Time
-	DeletedAt sql.NullTime
+	ID       int32
+	UserID   int64
+	RoomID   int64
+	JoinedAt time.Time
+	LeftAt   time.Time
 }
 
 type VCondition struct {
diff --git a/internal/service/chat_service.go b/internal/service/chat_service.go
index 0ceee6f7..f3f78131 100644
--- a/internal/service/chat_service.go
+++ b/internal/service/chat_service.go
@@ -101,7 +101,7 @@ func (s *ChatService) SaveMessage(
 
 // 채팅방 목록 조회
 func (s *ChatService) FindRoomByID(ctx context.Context, roomID *int64) (*chat.Room, error) {
-	row, err := databasegen.New(s.conn).FindRoomByID(ctx, utils.Int64PtrToNullInt64(roomID))
+	row, err := databasegen.New(s.conn).FindRoomByID(ctx, utils.Int64PtrToNullInt32(roomID))
 	if err != nil {
 		return nil, err
 	}
diff --git a/queries/chats.sql b/queries/chats.sql
index 1a1e403d..8a0d1493 100644
--- a/queries/chats.sql
+++ b/queries/chats.sql
@@ -19,21 +19,19 @@ FROM
 WHERE
     (chat_rooms.id = sqlc.narg('id'))
     AND (chat_rooms.deleted_at IS NULL);
-;
 
 -- name: JoinRoom :one
 INSERT INTO user_chat_rooms
 (user_id, 
 room_id,
-created_at,
-updated_at) 
-VALUES ($1, $2, NOW(), NOW())
-RETURNING id, user_id, room_id, created_at, updated_at;
+joined_at)
+VALUES ($1, $2, NOW())
+RETURNING id, user_id, room_id, joined_at;
 
 -- name: LeaveRoom :exec
 UPDATE 
     user_chat_rooms
-SET deleted_at = NOW()
+SET left_at = NOW()
 WHERE user_id = $1
 AND room_id = $2;