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Column.columnDefinition

Annotation Element javax.persistence.Column String columnDefinition (Optional) The SQL fragment that is used when generating the DDL for the column. Defaults to the generated SQL to create a column of the inferred type. Default value: "" Since: JPA 1.0
JDO Doc
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DatastoreIdentity.strategy

Annotation Element javax.jdo.annotations.DatastoreIdentity IdGeneratorStrategy strategy Strategy to use when generating datastore identities Returns: Strategy to use when generating datastore identities Default value: javax.jdo.annotations.IdGeneratorStrategy.UNSPECIFIED Since: JDO 2.1
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2

DiscriminatorColumn.columnDefinition

Annotation Element javax.persistence.DiscriminatorColumn String columnDefinition (Optional) The SQL fragment that is used when generating the DDL for the discriminator column. Defaults to the provider-generated SQL to create a column of the specified discriminator type. Default value: "" Since: JPA 1.0
JDO Doc
2

Element.foreignKey

Annotation Element javax.jdo.annotations.Element 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
2

Element.generateForeignKey

Annotation Element javax.jdo.annotations.Element 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 primary key constraint Default value: "" Since: JDO 2.1
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Element.unique

Annotation Element javax.jdo.annotations.Element String unique Whether a unique constraint should be generated or assumed. Returns: whether a unique constraint should be generated or assumed Default value: "" Since: JDO 2.1
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ElementCollection.targetClass

only if the collection field or property is defined using Java generics, and must be specified otherwise. It defaults to the paramterized type of the collection when defined using generics. Default value: void.class Since: JPA 2.0
JPA Doc
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GeneratedValue.strategy

Annotation Element javax.persistence.GeneratedValue GenerationType strategy (Optional) The primary key generation strategy that the persistence provider must use to generate the annotated entity primary key. Default value: javax.persistence.GenerationType.AUTO Since: JPA 1.0
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GenerationType.AUTO

Enum Constant javax.persistence.GenerationType AUTO Indicates that the persistence provider should pick an appropriate strategy for the particular database. The AUTO generation strategy may expect ... on how to create such resources in the event that it does not support schema generation or cannot create the schema resource at runtime. Since: JPA 1.0
JDO Doc
2

javax.jdo.annotations.Sequence

factoryClass Name of a factory class for generating the sequence values. Name of a factory class for generating the sequence values. Returns: the name of the factory class for the sequence Default value