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JPA Doc
5

javax.persistence.SequenceGenerator

String name (Required) A unique generator name that can be referenced by one or more classes to be the generator for primary key values. (Required) A unique generator name that can be referenced by
JPA Doc
5

javax.persistence.Table

) Unique constraints that are to be placed on the table. (Optional) Unique constraints
JDO Doc
5

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
JDO Doc
5

Key.uniqueKey

Annotation Element javax.jdo.annotations.Key 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
JDO Doc
5

Value.uniqueKey

Annotation Element javax.jdo.annotations.Value 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
Forum
4

JDO sequences from ORM file

" unique="false">                   <unique name="i2">        unique>       
JDO Doc
3

addSubquery(sub, variableDeclaration, candidateCollectionExpression, parameters)

, ordering specification, uniqueness, result specification, and grouping specification. The association
JPA Doc
3

CollectionTable.uniqueConstraints

Annotation Element javax.persistence.CollectionTable UniqueConstraint[] uniqueConstraints (Optional) Unique constraints that are to be placed on the table. These are only used if table generation is in effect. Default value: {} Since: JPA 2.0
JDO Doc
3

executeWithArray(parameters)

the filter if there exist unique values for all variables for which the filter expression evaluates to true
JPA Doc
3

GenerationType.TABLE

Enum Constant javax.persistence.GenerationType TABLE Indicates that the persistence provider must assign primary keys for the entity using an underlying database table to ensure uniqueness. Since: JPA 1.0