About join

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JPA Doc
85

javax.persistence.criteria.Join

javax.persistence.criteria Interface Join Superinterfaces: Expression, FetchParentjoin to an entity, embeddable, or basic type. Since: JPA 2.0 Learn how to use JPA criteria API's Join in Chapter 4 of the ObjectDB/JPA manual. Selection alias(String name
Manual
77

FROM clause (JPQL / Criteria API)

, a full iteration over the Cartesian product is avoided. [INNER] JOIN As discussed above, range ... an additional type of identification variable, a join variable, which represent a more limited iteration over specified collections of objects. The following query uses one range variable and one join
JDO Doc
58

javax.jdo.annotations.Join

javax.jdo.annotations Annotation Join Target: Classes and fields (including property get methods) Annotation for the join of a relation. Corresponds to the xml element "join". Since: JDO 2.1 String column Name of the column in the join table. Name of the column in the join table. Returns: the name
JDO Doc
50

javax.jdo.annotations.Joins

javax.jdo.annotations Annotation Joins Target: Classes Annotation for a group of joins. Since: JDO 2.1 Join[] value The join definitions used for the mapping of this type. The join definitions used for the mapping of this type. Joins for secondary tables are usually defined at the type level
JPA Doc
50

join(attribute, jt)

Method javax.persistence.criteria.From Join join(   SingularAttribute attribute,   JoinType jt ) Create a join to the specified single-valued attribute using the given join type. Parameters: attribute - target of the join jt - join type Returns: the resulting join Since: JPA 2.0
JPA Doc
50

join(attributeName, jt)

Method javax.persistence.criteria.From Join join(   String attributeName,   JoinType jt ) Create a join to the specified attribute using the given join type. Parameters: attributeName - name of the attribute for the target of the join jt - join type Returns: the resulting join Throws
JPA Doc
49

join(collection, jt)

Method javax.persistence.criteria.From CollectionJoin join(   CollectionAttribute collection,   JoinType jt ) Create a join to the specified Collection-valued attribute using the given join type. Parameters: collection - target of the join jt - join type Returns: the resulting join Since: JPA 2.0
JPA Doc
49

join(list, jt)

Method javax.persistence.criteria.From ListJoin join(   ListAttribute list,   JoinType jt ) Create a join to the specified List-valued attribute using the given join type. Parameters: list - target of the join jt - join type Returns: the resulting join Since: JPA 2.0
JPA Doc
49

join(map, jt)

Method javax.persistence.criteria.From MapJoin join(   MapAttribute map,   JoinType jt ) Create a join to the specified Map-valued attribute using the given join type. Parameters: map - target of the join jt - join type Returns: the resulting join Since: JPA 2.0
JPA Doc
49

join(set, jt)

Method javax.persistence.criteria.From SetJoin join(   SetAttribute set,   JoinType jt ) Create a join to the specified Set-valued attribute using the given join type. Parameters: set - target of the join jt - join type Returns: the resulting join Since: JPA 2.0