diff --git a/view/jpa/src/main/kotlin/io/holunda/polyflow/view/jpa/data/DataEntryEntity.kt b/view/jpa/src/main/kotlin/io/holunda/polyflow/view/jpa/data/DataEntryEntity.kt
index 970e123a6..c220aeaf6 100644
--- a/view/jpa/src/main/kotlin/io/holunda/polyflow/view/jpa/data/DataEntryEntity.kt
+++ b/view/jpa/src/main/kotlin/io/holunda/polyflow/view/jpa/data/DataEntryEntity.kt
@@ -74,8 +74,11 @@ class DataEntryEntity(
   var correlations: MutableSet<DataEntryId> = mutableSetOf(),
   @Immutable
   @OneToMany(fetch = FetchType.LAZY)
-  @JoinColumns(JoinColumn(name = "ENTRY_TYPE", referencedColumnName = "ENTRY_TYPE"), JoinColumn(name = "ENTRY_ID", referencedColumnName = "ENTRY_ID"))
-  val payloadAndCorrelatedPayloadAttributes: Set<DataEntryPayloadAttributeEntity>? = null,
+  @JoinColumns(
+    JoinColumn(name = "ENTRY_TYPE", referencedColumnName = "ENTRY_TYPE", insertable = false, updatable = false),
+    JoinColumn(name = "ENTRY_ID", referencedColumnName = "ENTRY_ID", insertable = false, updatable = false)
+  )
+  var payloadAndCorrelatedPayloadAttributes: MutableSet<DataEntryPayloadAttributeEntity> = mutableSetOf(),
 
   @Column(name = "PAYLOAD")
   @Lob
diff --git a/view/jpa/src/main/kotlin/io/holunda/polyflow/view/jpa/data/DataEntryPayloadAttributeEntity.kt b/view/jpa/src/main/kotlin/io/holunda/polyflow/view/jpa/data/DataEntryPayloadAttributeEntity.kt
index d9a8a9f5a..8e29eaf7d 100644
--- a/view/jpa/src/main/kotlin/io/holunda/polyflow/view/jpa/data/DataEntryPayloadAttributeEntity.kt
+++ b/view/jpa/src/main/kotlin/io/holunda/polyflow/view/jpa/data/DataEntryPayloadAttributeEntity.kt
@@ -3,11 +3,13 @@ package io.holunda.polyflow.view.jpa.data
 import jakarta.persistence.EmbeddedId
 import jakarta.persistence.Entity
 import jakarta.persistence.Table
+import org.hibernate.annotations.Immutable
 
 /**
  * Entity that holds the combined payload attributes of the correlated DataEntries.
  */
 @Entity
+@Immutable
 @Table(name = "PLF_VIEW_DATA_ENTRY_PAYLOAD")
 class DataEntryPayloadAttributeEntity(
   @EmbeddedId
@@ -21,5 +23,7 @@ class DataEntryPayloadAttributeEntity(
       value = value
     )
   )
+
+  override fun toString(): String = "DataEntryPayloadAttributeEntity(id=$id)"
 }
 
diff --git a/view/jpa/src/main/kotlin/io/holunda/polyflow/view/jpa/data/DataEntryPayloadAttributeEntityId.kt b/view/jpa/src/main/kotlin/io/holunda/polyflow/view/jpa/data/DataEntryPayloadAttributeEntityId.kt
index d3c15135f..3524c3a03 100644
--- a/view/jpa/src/main/kotlin/io/holunda/polyflow/view/jpa/data/DataEntryPayloadAttributeEntityId.kt
+++ b/view/jpa/src/main/kotlin/io/holunda/polyflow/view/jpa/data/DataEntryPayloadAttributeEntityId.kt
@@ -2,20 +2,22 @@ package io.holunda.polyflow.view.jpa.data
 
 import jakarta.persistence.Column
 import jakarta.persistence.Embeddable
+import org.hibernate.annotations.Immutable
 import java.io.Serializable
 
 /**
  * Id class that holds the combined payload attributes of the correlated DataEntries.
  */
 @Embeddable
+@Immutable
 class DataEntryPayloadAttributeEntityId(
-  @Column(name = "ENTRY_TYPE", length = 64, nullable = false)
+  @Column(name = "ENTRY_TYPE", length = 64, nullable = false, updatable = false, insertable = false)
   var entryType: String,
-  @Column(name = "ENTRY_ID", length = 64, nullable = false)
+  @Column(name = "ENTRY_ID", length = 64, nullable = false, updatable = false, insertable = false)
   var entryId: String,
-  @Column(name = "PATH", nullable = false)
+  @Column(name = "PATH", nullable = false, updatable = false, insertable = false)
   var path: String,
-  @Column(name = "VALUE", nullable = false)
+  @Column(name = "VALUE", nullable = false, updatable = false, insertable = false)
   var value: String
 ) : Serializable {
 
diff --git a/view/jpa/src/test/resources/db/migrations/h2-postgresql/V0_0_16__jpa_plf_data_entry_correlations.sql b/view/jpa/src/test/resources/db/migrations/h2-postgresql/V0_0_16__jpa_plf_data_entry_correlations.sql
index 80d479c19..d70396fd7 100644
--- a/view/jpa/src/test/resources/db/migrations/h2-postgresql/V0_0_16__jpa_plf_data_entry_correlations.sql
+++ b/view/jpa/src/test/resources/db/migrations/h2-postgresql/V0_0_16__jpa_plf_data_entry_correlations.sql
@@ -1,4 +1,4 @@
-create table plf_data_entry_correlations
+create table PLF_DATA_ENTRY_CORRELATIONS
 (
     OWNING_ENTRY_TYPE varchar(255) not null,
     OWNING_ENTRY_ID   varchar(64)  not null,
@@ -7,3 +7,17 @@ create table plf_data_entry_correlations
     primary key (OWNING_ENTRY_TYPE, OWNING_ENTRY_ID, ENTRY_TYPE, ENTRY_ID)
 );
 
+create view PLF_VIEW_DATA_ENTRY_PAYLOAD as
+(
+select *
+from PLF_DATA_ENTRY_PAYLOAD_ATTRIBUTES
+union
+(select ec.OWNING_ENTRY_ID   as ENTRY_ID,
+        ec.OWNING_ENTRY_TYPE as ENTRY_TYPE,
+        ep.path              as PATH,
+        ep.value             as VALUE
+ from PLF_DATA_ENTRY_CORRELATIONS ec
+   join PLF_DATA_ENTRY_PAYLOAD_ATTRIBUTES ep
+ on
+   ec.ENTRY_ID = ep.ENTRY_ID and ec.ENTRY_TYPE = ep.ENTRY_TYPE)
+);