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About INNER JOIN

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JDO Doc
16

Join.unique

Annotation Element javax.jdo.annotations.Join String unique Whether the join column is unique. Returns: whether the join column(s) is(are) is unique Default value: "" Since: JDO 2.1
JPA Doc
15

InheritanceType.JOINED

Enum Constant javax.persistence.InheritanceType JOINED A strategy in which fields that are specific to a subclass are mapped to a separate table than the fields that are common to the parent class, and a join is performed to instantiate the subclass. Since: JPA 1.0
JDO Doc
15

Join.deleteAction

Annotation Element javax.jdo.annotations.Join ForeignKeyAction deleteAction Delete action to be applied to any ForeignKey on this join. Returns: the delete action Default value: javax.jdo.annotations.ForeignKeyAction.UNSPECIFIED Since: JDO 2.1
JDO Doc
15

Join.generateForeignKey

Annotation Element javax.jdo.annotations.Join String generateForeignKey Generate or assume a foreign key constraint exists on the column or columns associated with this join. Specify "true" or "false". Returns: whether to generate or assume a foreign key constraint Default value: "" Since: JDO 2.1
JDO Doc
15

Join.generatePrimaryKey

Annotation Element javax.jdo.annotations.Join String generatePrimaryKey Generate or assume a primary key constraint exists on the column or columns associated with this join. Specify "true" or "false". Returns: whether to generate or assume a primary key constraint Default value: "" Since: JDO 2.1
JDO Doc
15

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
15

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
15

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
15

Join.extensions

Annotation Element javax.jdo.annotations.Join Extension[] extensions Vendor extensions. Returns: the vendor extensions Default value: {} Since: JDO 2.1
JDO Doc
15

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