About persistence unit

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javax.persistence.CollectionTable

javax.persistence Annotation CollectionTable Target: Fields (including property get methods) Specifies the table that is used for the mapping of collections of basic or embeddable types. Applied to the collection-valued field or property. By default, the columns of the collection table
JPA Doc
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javax.persistence.ColumnResult

javax.persistence Annotation ColumnResult Target: References name of a column in the SELECT clause of a SQL query - i.e., column alias, if applicable. Scalar result types can be included in the query result by specifying this annotation in the metadata. Example: Query q = em.createNativeQuery
JPA Doc
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javax.persistence.criteria.AbstractQuery

javax.persistence.criteria Interface AbstractQuery Subinterfaces: CriteriaQuery, Subquery The AbstractQuery interface defines functionality that is common to both top-level queries and subqueries. It is not intended to be used directly in query construction. All queries must have: a set of root
JPA Doc
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javax.persistence.criteria.CollectionJoin

javax.persistence.criteria Interface CollectionJoin Superinterfaces: Expression, FetchParent, From, Join, Path, PluralJoin,E>, Selection, TupleElement The CollectionJoin interface is the type of the result of joining to a collection
JPA Doc
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javax.persistence.criteria.CompoundSelection

javax.persistence.criteria Interface CompoundSelection Superinterfaces: Selection, TupleElement The CompoundSelection interface defines a compound selection item (tuple, array, or result of constructor). Since: JPA 2.0 Selection alias(String name) Assigns an alias to the selection item
JPA Doc
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javax.persistence.criteria.CriteriaBuilder

javax.persistence.criteria Interface CriteriaBuilder Used to construct criteria queries, compound selections, expressions, predicates, orderings. Note that Predicate is used instead of Expression in this API in order to work around the fact that Java generics are not compatible with varags
JPA Doc
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javax.persistence.criteria.CriteriaBuilder.Case

javax.persistence.criteria Interface CriteriaBuilder.Case Superinterfaces: Expression, Selection, TupleElement Interface used to build general case expressions. Case conditions are evaluated in the order in which they are specified. Since: JPA 2.0 Selection alias(String name) Assigns
JPA Doc
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javax.persistence.criteria.CriteriaBuilder.Coalesce

javax.persistence.criteria Interface CriteriaBuilder.Coalesce Superinterfaces: Expression, Selection, TupleElement Interface used to build coalesce expressions. A coalesce expression is equivalent to a case expression that returns null if all its arguments evaluate to null
JPA Doc
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javax.persistence.criteria.CriteriaBuilder.In

javax.persistence.criteria Interface CriteriaBuilder.In Superinterfaces: Expression, Predicate, Selection, TupleElement Interface used to build in predicates. Since: JPA 2.0 Selection alias(String name) Assigns an alias to the selection item. Assigns an alias
JPA Doc
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javax.persistence.criteria.CriteriaBuilder.SimpleCase

javax.persistence.criteria Interface CriteriaBuilder.SimpleCase Superinterfaces: Expression, Selection, TupleElement Interface used to build simple case expressions. Case conditions are evaluated in the order in which they are specified. Since: JPA 2.0 Selection alias(String name