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About INNER JOIN

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JPA Doc
24

javax.persistence.criteria.FetchParent

a fetch join to the specified attribute using an inner join. Create a fetch join to the specified attribute using an inner join. Parameters: attributeName - name of the attribute for the target ... > attribute) Create a fetch join to the specified collection-valued attribute using an inner join. Create
JPA Doc
22

Criteria Query From Elements

(bound by an entity class) are represented by the Root subinterface: Join variables (bound by an attribute of a preceding variable in the FROM clause) are represented by the Join subinterface and its descendant interfaces: See the FROM in Criteria Queries section for more details and examples. Join
JDO Doc
20

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
FAQ
19

What are the main benefits of using ObjectDB?

that ability and require multiple tables, multiple records and join operations in order to support
JDO Doc
17

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
17

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
17

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
16

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
16

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
16

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