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OrderColumn.insertable

Annotation Element javax.persistence.OrderColumn boolean insertable (Optional) Whether the column is included in SQL INSERT statements generated by the persistence provider. Default value: true Since: JPA 2.0
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2

OrderColumn.nullable

Annotation Element javax.persistence.OrderColumn boolean nullable (Optional) Whether the database column is nullable. Default value: true Since: JPA 2.0
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2

OrderColumn.updatable

Annotation Element javax.persistence.OrderColumn boolean updatable (Optional) Whether the column is included in SQL UPDATE statements generated by the persistence provider. Default value: true Since: JPA 2.0
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Performance tuning, best practices

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JDO Doc
2

PersistenceCapable.cacheable

Annotation Element javax.jdo.annotations.PersistenceCapable String cacheable Whether this class is cacheable in a Level2 cache. Default value: "true" Since: JDO 2.2
JDO Doc
2

Persistent.cacheable

Annotation Element javax.jdo.annotations.Persistent String cacheable Whether this field/property is cacheable in a Level2 cache. Default value: "true" Since: JDO 2.2
JDO Doc
2

pinAll(pcClass, subclasses)

Method javax.jdo.datastore.DataStoreCache void pinAll(   Class pcClass,   boolean subclasses ) Pin instances in the second-level cache. Parameters: pcClass - the class of instances to pin subclasses - if true, pin instances of subclasses also Since: JDO 2.0
JDO Doc
2

pinAll(subclasses, pcClass)

Method javax.jdo.datastore.DataStoreCache void pinAll(   boolean subclasses,   Class pcClass ) Pin instances in the second-level cache. Parameters: subclasses - if true, pin instances of subclasses also pcClass - the class of instances to pin Since: JDO 2.1
JDO Doc
2

setCopyOnAttach(flag)

Method javax.jdo.PersistenceManager void setCopyOnAttach(   boolean flag ) Sets the copyOnAttach setting. CopyOnAttach set to true specifies that during makePersistent, copies are made of detached parameter instances. With this flag set to false, detached parameter instances are attached directly
JDO Doc
2

setCopyOnAttach(flag)

Method javax.jdo.PersistenceManagerFactory void setCopyOnAttach(   boolean flag ) Sets the default copyOnAttach setting for all PersistenceManager instances obtained from this factory. CopyOnAttach set to true specifies that during makePersistent, copies are made of detached parameter instances