diff --git a/src/main/java/com/kamco/cd/training/postgres/entity/ModelConfigEntity.java b/src/main/java/com/kamco/cd/training/postgres/entity/ModelConfigEntity.java
index a03e024..0f5acbd 100644
--- a/src/main/java/com/kamco/cd/training/postgres/entity/ModelConfigEntity.java
+++ b/src/main/java/com/kamco/cd/training/postgres/entity/ModelConfigEntity.java
@@ -10,7 +10,7 @@ import jakarta.persistence.JoinColumn;
 import jakarta.persistence.ManyToOne;
 import jakarta.persistence.Table;
 import jakarta.validation.constraints.NotNull;
-import java.time.OffsetDateTime;
+import java.time.ZonedDateTime;
 import lombok.Getter;
 import lombok.Setter;
 import org.hibernate.annotations.ColumnDefault;
@@ -43,10 +43,20 @@ public class ModelConfigEntity {
   @Column(name = "test_percent")
   private Float testPercent;
 
+  @Column(name = "memo")
+  private String memo;
+
   @ColumnDefault("now()")
   @Column(name = "created_dttm")
-  private OffsetDateTime createdDttm;
+  private ZonedDateTime createdDttm;
 
   @Column(name = "created_uid")
   private Long createdUid;
+
+  @ColumnDefault("now()")
+  @Column(name = "updated_dttm")
+  private ZonedDateTime updatedDttm;
+
+  @Column(name = "updated_uid")
+  private Long updatedUid;
 }
diff --git a/src/main/java/com/kamco/cd/training/postgres/entity/ModelDatasetEntity.java b/src/main/java/com/kamco/cd/training/postgres/entity/ModelDatasetEntity.java
index a5e98f7..e7c9255 100644
--- a/src/main/java/com/kamco/cd/training/postgres/entity/ModelDatasetEntity.java
+++ b/src/main/java/com/kamco/cd/training/postgres/entity/ModelDatasetEntity.java
@@ -8,7 +8,7 @@ import jakarta.persistence.JoinColumn;
 import jakarta.persistence.ManyToOne;
 import jakarta.persistence.Table;
 import jakarta.validation.constraints.NotNull;
-import java.time.OffsetDateTime;
+import java.time.ZonedDateTime;
 import lombok.Getter;
 import lombok.Setter;
 import org.hibernate.annotations.ColumnDefault;
@@ -46,7 +46,7 @@ public class ModelDatasetEntity {
 
   @ColumnDefault("now()")
   @Column(name = "created_dttm")
-  private OffsetDateTime createdDttm;
+  private ZonedDateTime createdDttm;
 
   @Column(name = "created_uid")
   private Long createdUid;
diff --git a/src/main/java/com/kamco/cd/training/postgres/entity/ModelHistoryEntity.java b/src/main/java/com/kamco/cd/training/postgres/entity/ModelHistoryEntity.java
index 5f2a900..7c33e69 100644
--- a/src/main/java/com/kamco/cd/training/postgres/entity/ModelHistoryEntity.java
+++ b/src/main/java/com/kamco/cd/training/postgres/entity/ModelHistoryEntity.java
@@ -11,7 +11,7 @@ import jakarta.persistence.ManyToOne;
 import jakarta.persistence.Table;
 import jakarta.validation.constraints.NotNull;
 import jakarta.validation.constraints.Size;
-import java.time.OffsetDateTime;
+import java.time.ZonedDateTime;
 import lombok.Getter;
 import lombok.Setter;
 import org.hibernate.annotations.ColumnDefault;
@@ -43,20 +43,20 @@ public class ModelHistoryEntity {
   private Short modelStep;
 
   @Column(name = "step1_strt_dttm")
-  private OffsetDateTime step1StrtDttm;
+  private ZonedDateTime step1StrtDttm;
 
   @Column(name = "step1_end_dttm")
-  private OffsetDateTime step1EndDttm;
+  private ZonedDateTime step1EndDttm;
 
   @Size(max = 20)
   @Column(name = "step1_state", length = 20)
   private String step1State;
 
   @Column(name = "step2_strt_dttm")
-  private OffsetDateTime step2StrtDttm;
+  private ZonedDateTime step2StrtDttm;
 
   @Column(name = "step2_end_dttm")
-  private OffsetDateTime step2EndDttm;
+  private ZonedDateTime step2EndDttm;
 
   @Size(max = 20)
   @Column(name = "step2_state", length = 20)
@@ -67,7 +67,7 @@ public class ModelHistoryEntity {
 
   @ColumnDefault("now()")
   @Column(name = "created_dttm")
-  private OffsetDateTime createdDttm;
+  private ZonedDateTime createdDttm;
 
   @Column(name = "created_uid")
   private Long createdUid;
diff --git a/src/main/java/com/kamco/cd/training/postgres/entity/ModelMatricsTestEntity.java b/src/main/java/com/kamco/cd/training/postgres/entity/ModelMatricsTestEntity.java
index ad0084a..37e97e3 100644
--- a/src/main/java/com/kamco/cd/training/postgres/entity/ModelMatricsTestEntity.java
+++ b/src/main/java/com/kamco/cd/training/postgres/entity/ModelMatricsTestEntity.java
@@ -11,7 +11,7 @@ import jakarta.persistence.ManyToOne;
 import jakarta.persistence.Table;
 import jakarta.validation.constraints.NotNull;
 import jakarta.validation.constraints.Size;
-import java.time.OffsetDateTime;
+import java.time.ZonedDateTime;
 import lombok.Getter;
 import lombok.Setter;
 import org.hibernate.annotations.ColumnDefault;
@@ -68,7 +68,7 @@ public class ModelMatricsTestEntity {
 
   @ColumnDefault("now()")
   @Column(name = "created_dttm")
-  private OffsetDateTime createdDttm;
+  private ZonedDateTime createdDttm;
 
   @Column(name = "created_uid")
   private Long createdUid;
diff --git a/src/main/java/com/kamco/cd/training/postgres/entity/ModelMatricsTrainEntity.java b/src/main/java/com/kamco/cd/training/postgres/entity/ModelMatricsTrainEntity.java
index 2415c25..53537c5 100644
--- a/src/main/java/com/kamco/cd/training/postgres/entity/ModelMatricsTrainEntity.java
+++ b/src/main/java/com/kamco/cd/training/postgres/entity/ModelMatricsTrainEntity.java
@@ -10,7 +10,7 @@ import jakarta.persistence.JoinColumn;
 import jakarta.persistence.ManyToOne;
 import jakarta.persistence.Table;
 import jakarta.validation.constraints.NotNull;
-import java.time.OffsetDateTime;
+import java.time.ZonedDateTime;
 import lombok.Getter;
 import lombok.Setter;
 import org.hibernate.annotations.ColumnDefault;
@@ -48,7 +48,7 @@ public class ModelMatricsTrainEntity {
 
   @ColumnDefault("now()")
   @Column(name = "created_dttm")
-  private OffsetDateTime createdDttm;
+  private ZonedDateTime createdDttm;
 
   @Column(name = "created_uid")
   private Long createdUid;
diff --git a/src/main/java/com/kamco/cd/training/postgres/entity/ModelMatricsValidationEntity.java b/src/main/java/com/kamco/cd/training/postgres/entity/ModelMatricsValidationEntity.java
index ce4f465..bcbdeb4 100644
--- a/src/main/java/com/kamco/cd/training/postgres/entity/ModelMatricsValidationEntity.java
+++ b/src/main/java/com/kamco/cd/training/postgres/entity/ModelMatricsValidationEntity.java
@@ -10,7 +10,7 @@ import jakarta.persistence.JoinColumn;
 import jakarta.persistence.ManyToOne;
 import jakarta.persistence.Table;
 import jakarta.validation.constraints.NotNull;
-import java.time.OffsetDateTime;
+import java.time.ZonedDateTime;
 import lombok.Getter;
 import lombok.Setter;
 import org.hibernate.annotations.ColumnDefault;
@@ -72,7 +72,7 @@ public class ModelMatricsValidationEntity {
 
   @ColumnDefault("now()")
   @Column(name = "created_dttm")
-  private OffsetDateTime createdDttm;
+  private ZonedDateTime createdDttm;
 
   @Column(name = "created_uid")
   private Long createdUid;