About join

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Issue
4

combined index not used

: (v$1.linkedObjects join v$2). Step 5: Process ObjectProperty (v$3) instances ... .properties join v$3). [Step 5b] Evaluate fields in ObjectProperty (v$3) instances. [Step 5c ... is preferred and can improve performance). Complex heavy queries with several JOIN operations require
JPA Doc
4

AssociationOverride.joinColumns

Annotation Element javax.persistence.AssociationOverride JoinColumn[] joinColumns The join column(s) being mapped to the persistent attribute(s). The joinColumns elements must be specified ... must not be specified if a join table is used in the overriding of the mapping of the relationship. Default value: {} Since: JPA 1.0
JPA Doc
4

AssociationOverride.joinTable

Annotation Element javax.persistence.AssociationOverride JoinTable joinTable The join table that maps the relationship. The joinTable element must be specified if a join table is used in the overriding of the mapping of the relationship. The joinTable element must not be specified if a foreign key
JDO Doc
4

Element.serialized

Annotation Element javax.jdo.annotations.Element String serialized Whether the element is to be stored serialized (into a join table) Returns: whether the element is to be stored serialized (into a join table) Default value: "" Since: JDO 2.1
JPA Doc
4

getAttribute()

Method javax.persistence.criteria.Fetch Attribute getAttribute() Return the metamodel attribute corresponding to the fetch join. Returns: metamodel attribute for the join Since: JPA 2.0
JPA Doc
4

getModel()

Method javax.persistence.criteria.PluralJoin PluralAttribute getModel() Return the metamodel representation for the collection-valued attribute corresponding to the join. Returns: metamodel collection-valued attribute corresponding to the target of the join Since: JPA 2.0
JPA Doc
4

getModel()

Method javax.persistence.criteria.PluralJoin PluralAttribute getModel() Return the metamodel representation for the collection-valued attribute corresponding to the join. Returns: metamodel collection-valued attribute corresponding to the target of the join Since: JPA 2.0
JPA Doc
4

getModel()

Method javax.persistence.criteria.PluralJoin PluralAttribute getModel() Return the metamodel representation for the collection-valued attribute corresponding to the join. Returns: metamodel collection-valued attribute corresponding to the target of the join Since: JPA 2.0
JPA Doc
4

getModel()

Method javax.persistence.criteria.PluralJoin PluralAttribute getModel() Return the metamodel representation for the collection-valued attribute corresponding to the join. Returns: metamodel collection-valued attribute corresponding to the target of the join Since: JPA 2.0
JPA Doc
4

getModel()

Method javax.persistence.criteria.PluralJoin PluralAttribute getModel() Return the metamodel representation for the collection-valued attribute corresponding to the join. Returns: metamodel collection-valued attribute corresponding to the target of the join Since: JPA 2.0