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About INSERT INTO

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JPA Doc
3

javax.persistence.OrderColumn

is responsible for updating the ordering upon flushing to the database to reflect any insertion, deletion ... : "" Since: JPA 2.0 boolean insertable (Optional) Whether the column is included in SQL INSERT statements generated by the persistence provider. (Optional) Whether the column is included in SQL INSERT
Forum
3

Database size is much larger than expected (x2)

I store images into objectdb. The schema is : ::=(, , , , insertions with -Xmx1432m, ... NO = 151552 @ 8042217472 id = 0 @ 7703244276 ... so many memory that it fails with "-Xmx1432m", even if em.clear() at every 0xFFF insertions
Manual
3

DELETE Queries in JPA/JPQL

As explained in chapter 2, entity objects can be deleted from the database by: Retrieving the entity objects into an EntityManager. Removing these objects from the EntityManager within an active transaction, either explicitly by calling the remove method or implicitly by a cascading operation
Tutorial
3

Java EE 6 JPA Tutorial - Eclipse Project

only if Maven Integration for WTP is installed when the Maven project is imported into the IDE
JDO Doc
3

JDO Annotations

JDO defines dozens of annotations that can be divided into the following groups:
JPA Doc
3

JPA 2 Annotations

JPA defines dozens of annotations that can be divided into the following groups: Annotations for JPA aware classes: Annotations for fields in JPA persistable classes: Annotations for additional JPA configuration: Annotations for JPA lifecycle event callbacks: Java EE container annotations: Many
JPA Doc
3

JPA Annotations for Java EE

The following JPA annotations are in use to integrate JPA into a Java EE application and are managed by the Java EE container:
Manual
3

JPA Named Queries

dynamically into the query string and results in more efficient queries. @NamedQuery
Manual
3

JPA Primary Key

is defined the primary key value is automatically injected into that field by ObjectDB
Tutorial
3

JPA Web App Tutorial - Eclipse Project

only if Maven Integration for WTP is installed when the Maven project is imported into the IDE). Choose or