About collection

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JPA Doc
58

size(collection)

Method javax.persistence.criteria.CriteriaBuilder Expression size(   C collection ) Create an expression that tests the size of a collection. Parameters: collection - collection Returns: size expression Since: JPA 2.0
JPA Doc
57

isEmpty(collection)

Method javax.persistence.criteria.CriteriaBuilder Predicate isEmpty(   Expression collection ) Create a predicate that tests whether a collection is empty. Parameters: collection - expression Returns: is-empty predicate Since: JPA 2.0
JPA Doc
57

isNotEmpty(collection)

Method javax.persistence.criteria.CriteriaBuilder Predicate isNotEmpty(   Expression collection ) Create a predicate that tests whether a collection is not empty. Parameters: collection - expression Returns: is-not-empty predicate Since: JPA 2.0
JPA Doc
57

join(collection)

Method javax.persistence.criteria.From CollectionJoin join(   CollectionAttribute collection ) Create an inner join to the specified Collection-valued attribute. Parameters: collection - target of the join Returns: the resulting join Since: JPA 2.0
JPA Doc
57

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
57

size(collection)

Method javax.persistence.criteria.CriteriaBuilder Expression size(   Expression collection ) Create an expression that tests the size of a collection. Parameters: collection - expression Returns: size expression Since: JPA 2.0
JPA Doc
56

PluralAttribute.CollectionType.COLLECTION

Enum Constant javax.persistence.metamodel.PluralAttribute.CollectionType COLLECTION Collection-valued attribute Since: JPA 2.0
JPA Doc
56

Attribute.PersistentAttributeType.ELEMENT_COLLECTION

Enum Constant javax.persistence.metamodel.Attribute.PersistentAttributeType ELEMENT_COLLECTION Element collection Since: JPA 2.0
JDO Doc
55

Constants.OPTION_NULL_COLLECTION

Static Field javax.jdo.Constants String OPTION_NULL_COLLECTION "javax.jdo.option.NullCollection" Since: JDO 2.1 See Also: PersistenceManagerFactory.supportedOptions()
Manual
30

Database Explorer

and primary key separated by # (e.g. Point#1). A collection can be specified as a comma separated list ... collection and the query execution time are displayed on the query window. If the query compilation ... deletes the object itself from the database. Editing Collections Elements can be added to collections