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UPDATE SET Queries in JPA/JPQL

Existing entity objects can be updated, as explained in update">chapter 2, by: Retrieving the entity objects into an EntityManager. Updating the relevant entity object fields 

Updating JPA Entity Objects

> Transparent Update Once an entity object is retrieved from ... object is physically updated in the database when the transaction is committed. If the transaction is rolled back and not committed the update is discarded. On commit the persist operation

Schema Update

;schema> element is not empty ObjectDB tries to apply the specified schema updates ... >The following <schema> element demonstrates the supported schema update abilities

Update more than 10000 entities by an update query fails

Hello, following example tries to update more than 10000 entities by an update query. But only the first 10000 elements are updated. What's wrong? UPDATE " + MyModelElement.class.getName() + " c

MapKeyColumn.updatable

javax.persistence">javax.persistence.MapKeyColumnboolean updatable (Optional) Whether the column is included in SQL UPDATE statements

Column.updatable

.persistence">javax.persistence.Columnboolean updatable (Optional) Whether the column is included in SQL UPDATE statements generated by

OrderColumn.updatable

javax.persistence">javax.persistence.OrderColumnboolean updatable (Optional) Whether the column is included in SQL UPDATE statements

JoinColumn.updatable

.persistence">javax.persistence.JoinColumnboolean updatable (Optional) Whether the column is included in SQL UPDATE statements generated

MapKeyJoinColumn.updatable

javax.persistence">javax.persistence.MapKeyJoinColumnboolean updatable (Optional) Whether the column is included in SQL UPDATE

Step 1: Install BIRT and ObjectDB Driver

> Update your existing Eclipse IDE for Java EE Developers environment by installing the Update_Site_URL">BIRT plugins using the Eclipse Update Manager (updating Eclipse IDE with no Java EE support is more complicated