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JPA Doc
9

javax.persistence.metamodel.EmbeddableType

the Map-valued attribute declared by the managed type that corresponds to the specified name. Return the Map-valued attribute declared by the managed type that corresponds to the specified name ... > valueType) Return the Map-valued attribute declared by the managed type that corresponds to the specified
JPA Doc
8

MapKeyJoinColumn.table

that contains the foreign key column. If the join is for a map key for an element collection, the foreign key column is in the collection table for the map value. If the join is for a map key ... key mapping strategy, the foreign key column for the map key is in the table of the entity
JDO Doc
8

javax.jdo.Query

 variableDeclaration, String candidateCollectionExpression, Map parameters) Add a subquery to this query. Add a subquery to this query. The Map version of the method treats the key of each map entry as ... for either the parameter or the value of the String[], or for any map key or value, that expression is ignored
JPA Doc
8

javax.persistence.MapKey

the map key for associations of type java.util.Map when the map key is itself the primary key or a persistent field or property of the entity that is the value of the map. If a persistent field or property other than the primary key is used as a map key then it is expected to have a uniqueness constraint
Manual
8

Deleting JPA Entity Objects

objects. Orphan removal can also be set for collection and map fields. For example: @Entity class
Manual
8

Entity Management Settings

, which is not an entity class, mapped super class or embeddable class). The element
Manual
8

Index Definition

; : } Indexes in Queries ObjectDB manages a BTree for every index. A BTree is an ordered map data structure
JPA Doc
8

JPA Annotations for Classes

JPA defines three types of persistable classes which are set by the following annotations: Chapter 2 of the ObjectDB manual explains these annotations in detail. Entity and mapped super classes can be further configured by annotations that specify cache preferences and lifecycle event listener
FAQ
8

What are the main benefits of using ObjectDB?

the execution time of object oriented applications significantly. For instance, collection and map
Manual
8

SELECT clause (JPQL / Criteria API)

clause. Collection and map fields cannot be included in the results directly, but their content