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javax.persistence.criteria.From

javax.persistence.criteria Interface From<Z,X> Superinterfaces: Expression<X>, FetchParent<Z,X>, Path<X>, Selection<X>, TupleElement<X> Subinterfaces: CollectionJoin, Join, ListJoin, MapJoin, PluralJoin, Root, SetJoin Represents a bound type, usually an entity that appears in the from clause
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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
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javax.persistence.PostLoad

javax.persistence Annotation PostLoad Target: Callback methods Is used to specify callback methods for the corresponding lifecycle event. This annotation may be applied to methods of an entity class, a mapped superclass, or a callback listener class. Since: JPA 1.0 Learn how to define and use JPA
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javax.persistence.criteria.Join

javax.persistence.criteria Interface Join<Z,X> Superinterfaces: Expression<X>, FetchParent<Z,X>, From<Z,X>, Path<X>, Selection<X>, TupleElement<X> Subinterfaces: CollectionJoin, ListJoin, MapJoin, PluralJoin, SetJoin A join to an entity, embeddable, or basic type. Since: JPA 2.0 Learn how to use
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javax.persistence.TupleElement

javax.persistence Interface TupleElement<X> Subinterfaces: CollectionJoin, CompoundSelection, Case, Coalesce, In, SimpleCase, Expression, From, Join, ListJoin, MapJoin, ParameterExpression, Path, PluralJoin, Predicate, Root, Selection, SetJoin, Subquery The TupleElement interface defines an element
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javax.persistence.AssociationOverrides

javax.persistence Annotation AssociationOverrides Target: Classes and fields (including property get methods) Used to override mappings of multiple relationship properties or fields. Example: @MappedSuperclass public class Employee { @Id protected Integer id; @Version
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javax.persistence.QueryHint

javax.persistence Annotation QueryHint Target: Used to supply a query property or hint to the NamedQuery or NamedNativeQuery annotation. Vendor-specific hints that are not recognized by a provider are ignored. Since: JPA 1.0 String name Name of the hint. Name of the hint. Since: JPA 1.0 String
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ObjectState.PERSISTENT_NONTRANSACTIONAL_DIRTY

Enum Constant javax.jdo.ObjectState PERSISTENT_NONTRANSACTIONAL_DIRTY Since: JDO 1.0
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Persistent.name

Annotation Element javax.jdo.annotations.Persistent String name Name of the member when this is embedded in another object. The fully-qualified member name is used. For example, "line.point1.x" refers to the member x in class Point that is embedded as member point1 in class Line that is embedded in
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ObjectState.PERSISTENT_NEW_DELETED

Enum Constant javax.jdo.ObjectState PERSISTENT_NEW_DELETED Since: JDO 1.0

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

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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