About persistence unit

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21	javax.persistence.TypedQuery javax.persistence Interface TypedQuery Superinterfaces: Query Interface used to control ... deleted Throws: IllegalStateException - if called for a Java Persistence query language SELECT statement ... Throws: IllegalStateException - if the query is found not to be a Java Persistence query language
21	javax.persistence.OrderColumn javax.persistence Annotation OrderColumn Target: Fields (including property get methods) Specifies a column that is used to maintain the persistent order of a list. The persistence provider is responsible for maintaining the order upon retrieval and in the database. The persistence provider
21	javax.persistence.EnumType javax.persistence Enum EnumType java.lang.Object java.lang.Enumpersistence.EnumType> javax.persistence.EnumType Implemented Interfaces: Serializable, Comparable Defines mapping for enumerated types. The constants of this enumerated type specify how a persistent
21	javax.persistence.FlushModeType javax.persistence Enum FlushModeType java.lang.Object java.lang.Enumpersistence.FlushModeType> javax.persistence.FlushModeType Implemented Interfaces: Serializable, Comparable ... .AUTO is set on the Query or TypedQuery object, or if the flush mode setting for the persistence
21	javax.persistence.PersistenceContextType javax.persistence Enum PersistenceContextType java.lang.Object java.lang.Enumpersistence.PersistenceContextType> javax.persistence.PersistenceContextType Implemented Interfaces ... persistence context is to be used in PersistenceContext. If not specified, a transaction-scoped
21	javax.persistence.spi.PersistenceProviderResolverHolder javax.persistence.spi Class PersistenceProviderResolverHolder java.lang.Object javax.persistence.spi.PersistenceProviderResolverHolder Holds the global javax.persistence.spi ... getPersistenceProviderResolver() Returns the current persistence provider resolver. Returns the current persistence provider
21	javax.persistence.EntityExistsException javax.persistence Exception EntityExistsException java.lang.Object java.lang.Throwable java.lang.Exception java.lang.RuntimeException javax.persistence.PersistenceException javax.persistence.EntityExistsException Implemented Interfaces
21	javax.persistence.PessimisticLockScope javax.persistence Enum PessimisticLockScope java.lang.Object java.lang.Enumpersistence.PessimisticLockScope> javax.persistence.PessimisticLockScope Implemented Interfaces: Serializable, Comparable Defines the values of the javax.persistence.lock.scope
21	javax.persistence.Query javax.persistence Interface Query Subinterfaces: TypedQuery Interface used to control query ... : IllegalStateException - if called for a Java Persistence query language SELECT statement or for a criteria ... : IllegalStateException - if the query is found not to be a Java Persistence query language SELECT query or
21	javax.persistence.CascadeType javax.persistence Enum CascadeType java.lang.Object java.lang.Enumpersistence.CascadeType> javax.persistence.CascadeType Implemented Interfaces: Serializable, Comparable ... . The value cascade=ALL is equivalent to cascade={PERSIST, MERGE, REMOVE, REFRESH, DETACH}. Since: JPA 1.0

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Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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