diff --git a/jpablog/src/main/java/com/example/jpablog/model/Role.java b/jpablog/src/main/java/com/example/jpablog/model/RoleType.java
similarity index 73%
rename from jpablog/src/main/java/com/example/jpablog/model/Role.java
rename to jpablog/src/main/java/com/example/jpablog/model/RoleType.java
index 28aba585..58759a78 100644
--- a/jpablog/src/main/java/com/example/jpablog/model/Role.java
+++ b/jpablog/src/main/java/com/example/jpablog/model/RoleType.java
@@ -1,5 +1,5 @@
 package com.example.jpablog.model;
 
-public enum Role {
+public enum RoleType {
     ADMIN, USER, MANAGER
 }
diff --git a/jpablog/src/main/java/com/example/jpablog/model/User.java b/jpablog/src/main/java/com/example/jpablog/model/User.java
index b1388904..f46e442a 100644
--- a/jpablog/src/main/java/com/example/jpablog/model/User.java
+++ b/jpablog/src/main/java/com/example/jpablog/model/User.java
@@ -4,7 +4,6 @@ import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
-import org.hibernate.annotations.ColumnDefault;
 import org.hibernate.annotations.CreationTimestamp;
 
 import javax.persistence.*;
@@ -14,6 +13,7 @@ import java.time.LocalDateTime;
 @AllArgsConstructor
 @NoArgsConstructor
 @Builder
+//@DynamicInsert // insert 시 null 인 필드 제거하고 insert
 @Entity
 public class User {
 
@@ -29,9 +29,9 @@ public class User {
     @Column(nullable = false, length = 50)
     private String email;
 
-    @ColumnDefault("'USER'")
+//    @ColumnDefault("'USER'")
     @Enumerated(EnumType.STRING)
-    private Role role;
+    private RoleType role;
 
     @CreationTimestamp
     private LocalDateTime createDate;
diff --git a/jpablog/src/main/java/com/example/jpablog/repository/UserRepository.java b/jpablog/src/main/java/com/example/jpablog/repository/UserRepository.java
new file mode 100644
index 00000000..04d0cae0
--- /dev/null
+++ b/jpablog/src/main/java/com/example/jpablog/repository/UserRepository.java
@@ -0,0 +1,9 @@
+package com.example.jpablog.repository;
+
+import com.example.jpablog.model.User;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface UserRepository extends JpaRepository<User, Long> {
+}
diff --git a/jpablog/src/main/java/com/example/jpablog/test/DummyControllerTest.java b/jpablog/src/main/java/com/example/jpablog/test/DummyControllerTest.java
new file mode 100644
index 00000000..8ddfee50
--- /dev/null
+++ b/jpablog/src/main/java/com/example/jpablog/test/DummyControllerTest.java
@@ -0,0 +1,23 @@
+package com.example.jpablog.test;
+
+import com.example.jpablog.model.RoleType;
+import com.example.jpablog.model.User;
+import com.example.jpablog.repository.UserRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequiredArgsConstructor
+public class DummyControllerTest {
+
+    private final UserRepository userRepository;
+
+    @PostMapping("/dummy/join")
+    public String join(@RequestBody User user) {
+        user.setRole(RoleType.USER);
+        userRepository.save(user);
+        return "회원가입 완료";
+    }
+}