diff --git a/src/main/java/com/example/nexus/app/participation/domain/Participation.java b/src/main/java/com/example/nexus/app/participation/domain/Participation.java
index a94307a..5a73a96 100644
--- a/src/main/java/com/example/nexus/app/participation/domain/Participation.java
+++ b/src/main/java/com/example/nexus/app/participation/domain/Participation.java
@@ -72,7 +72,7 @@ public class Participation {
     private ParticipantReward participantReward;
 
     @Enumerated(EnumType.STRING)
-    @Column(nullable = false, length = 20)
+    @Column(nullable = false, length = 50)
     private ParticipationStatus status;
 
     @Column(name = "applicant_name", nullable = false, length = 10)
diff --git a/src/main/java/com/example/nexus/app/post/domain/Post.java b/src/main/java/com/example/nexus/app/post/domain/Post.java
index d38b1dc..1a2d229 100644
--- a/src/main/java/com/example/nexus/app/post/domain/Post.java
+++ b/src/main/java/com/example/nexus/app/post/domain/Post.java
@@ -55,25 +55,26 @@ public class Post {
     @ElementCollection
     @Enumerated(EnumType.STRING)
     @CollectionTable(name = "post_main_category", joinColumns = @JoinColumn(name = "post_id"))
-    @Column(name = "main_category", nullable = false)
+    @Column(name = "main_category", nullable = false, length = 50)
     @BatchSize(size = 100)
     private Set<MainCategory> mainCategory;
 
     @ElementCollection
     @Enumerated(EnumType.STRING)
     @CollectionTable(name = "post_platform_category", joinColumns = @JoinColumn(name = "post_id"))
-    @Column(name = "platform_category")
+    @Column(name = "platform_category", length = 50)
     @BatchSize(size = 100)
     private Set<PlatformCategory> platformCategory;
 
     @ElementCollection
     @Enumerated(EnumType.STRING)
     @CollectionTable(name = "post_genres", joinColumns = @JoinColumn(name = "post_id"))
-    @Column(name = "genre")
+    @Column(name = "genre", length = 50)
     @BatchSize(size = 100)
     private Set<GenreCategory> genreCategories = new HashSet<>();
     
     @Enumerated(EnumType.STRING)
+    @Column(name = "status", length = 50)
     private PostStatus status;
 
     @Column(name = "qna_Method")
diff --git a/src/main/java/com/example/nexus/app/reward/domain/ParticipantReward.java b/src/main/java/com/example/nexus/app/reward/domain/ParticipantReward.java
index 2becca4..120bbdd 100644
--- a/src/main/java/com/example/nexus/app/reward/domain/ParticipantReward.java
+++ b/src/main/java/com/example/nexus/app/reward/domain/ParticipantReward.java
@@ -39,14 +39,14 @@ public class ParticipantReward {
     private PostReward postReward;
 
     @Enumerated(EnumType.STRING)
-    @Column(name = "completion_status")
+    @Column(name = "completion_status", length = 50)
     private ParticipationStatus completionStatus = ParticipationStatus.APPROVED;
 
     @Column(name = "completed_at")
     private LocalDateTime completedAt;
 
     @Enumerated(EnumType.STRING)
-    @Column(name = "reward_status")
+    @Column(name = "reward_status", length = 50)
     private RewardStatus rewardStatus = RewardStatus.PENDING;
 
     @Column(name = "paid_at")
diff --git a/src/main/java/com/example/nexus/app/reward/domain/PostReward.java b/src/main/java/com/example/nexus/app/reward/domain/PostReward.java
index 816fc37..7007a03 100644
--- a/src/main/java/com/example/nexus/app/reward/domain/PostReward.java
+++ b/src/main/java/com/example/nexus/app/reward/domain/PostReward.java
@@ -23,7 +23,7 @@ public class PostReward {
     private Post post;
 
     @Enumerated(EnumType.STRING)
-    @Column(name = "reward_type")
+    @Column(name = "reward_type", length = 50)
     private RewardType rewardType;
 
     @Column(name = "reward_description", columnDefinition = "TEXT")