About join

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JDO Doc
44

Constants.OPTION_MAPPING_JOINED_TABLE_PER_CLASS

Static Field javax.jdo.Constants String OPTION_MAPPING_JOINED_TABLE_PER_CLASS "javax.jdo.option.mapping.JoinedTablePerClass" Since: JDO 2.1 See Also: PersistenceManagerFactory.supportedOptions()
JDO Doc
44

Constants.OPTION_MAPPING_JOINED_TABLE_PER_CONCRETE_CLASS

Static Field javax.jdo.Constants String OPTION_MAPPING_JOINED_TABLE_PER_CONCRETE_CLASS "javax.jdo.option.mapping.JoinedTablePerConcreteClass" Since: JDO 2.1 See Also: PersistenceManagerFactory.supportedOptions()
JDO Doc
44

Constants.OPTION_MAPPING_NON_JOINED_TABLE_PER_CONCRETE_CLASS

Static Field javax.jdo.Constants String OPTION_MAPPING_NON_JOINED_TABLE_PER_CONCRETE_CLASS "javax.jdo.option.mapping.NonJoinedTablePerConcreteClass" Since: JDO 2.1 See Also: PersistenceManagerFactory.supportedOptions()
JDO Doc
44

Join.extensions

Annotation Element javax.jdo.annotations.Join Extension[] extensions Vendor extensions. Returns: the vendor extensions Default value: {} Since: JDO 2.1
JDO Doc
44

Join.foreignKey

Annotation Element javax.jdo.annotations.Join String foreignKey Name for a generated foreign key constraint. Returns: the name of the generated foreign key constraint Default value: "" Since: JDO 2.1
JDO Doc
44

Join.index

Annotation Element javax.jdo.annotations.Join String index The name of the index to generate. Returns: the name of the index Default value: "" Since: JDO 2.1
JDO Doc
44

Join.primaryKey

Annotation Element javax.jdo.annotations.Join String primaryKey Name for a generated primary key constraint. Returns: the name of the generated primary key constraint Default value: "" Since: JDO 2.1
JDO Doc
44

Join.uniqueKey

Annotation Element javax.jdo.annotations.Join String uniqueKey The name of the unique key constraint to generate. Returns: the name of the unique key constraint Default value: "" Since: JDO 2.1
JPA Doc
43

javax.persistence.criteria.CollectionJoin

>, FetchParent, From, Join, Path, PluralJoin,E>, Selection, TupleElement The CollectionJoin interface is the type of the result of joining to a collection ...  attributeName) Create a fetch join to the specified attribute using an inner join. Create a fetch join
JPA Doc
43

javax.persistence.criteria.ListJoin

>, From, Join, Path, PluralJoin,E>, Selection, TupleElement The ListJoin interface is the type of the result of joining to a collection over an association or element ... expression of the given type Since: JPA 2.0 Fetch fetch(String attributeName) Create a fetch join