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14

javax.persistence.criteria.CriteriaQuery

must be eliminated from the query result or whether they must be retained Returns: the modified ... : the modified query. Since: JPA 2.0 Root<X> from(Class<X> entityClass) Create and add a query root ... removed. Parameters: grouping - list of zero or more grouping expressions Returns: the modified query
12

javax.persistence.criteria.Subquery

must be eliminated from the subquery result or whether they must be retained Returns: the modified subquery ... whether they must be retained Returns: the modified query Since: JPA 2.0 Root<X> from(Class<X> entityClass) Create and add ... method. Parameters: grouping - list of zero or more grouping expressions Returns: the modified
12

JPA Entity Fields

either the Java transient modifier (which also affects serialization) or the JPA @Transient annotation ... is modified its version number is automatically increased by one. Version fields are used in conjunction
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Detached Entity Objects

the database unless modified detached objects are merged back into an EntityManager to become managed ... transaction when merge is called because operations that might modify the database require an active
12

JPA Persistable Types

. It can contain constructors, methods, fields and nested types with any access modifiers (public, protected ... their ordinal numbers. Caution is required when modifying an enum type that is already in use in
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JPA / JDO Class Enhancer

ObjectDB Enhancer is a post compilation tool that improves performance by modifying the byte code of compiled classes after compilation. Enhancement is mainly for user-defined persistable classes ... notifies ObjectDB whenever a persistent field is modified. Enhanced code enables lazy loading of entity
12

CRUD Database Operations with JPA

.getTransaction().commit(); Operations that modify the content of the database (such as storing new objects ... . You have to obtain a managed entity object (e.g. by retrieval) and modify it within an active transaction: em
12

Eclipse Public License - v 1.0

the Agreement is copyrighted and may only be modified in the following manner. The Agreement Steward ... . No one other than the Agreement Steward has the right to modify this Agreement. The Eclipse Foundation
1

javax.jdo.spi.StateManager

is dirty. Instances that have been modified, deleted, or newly made persistent in the current ... PersistenceCapable instance Returns: true if this instance has been modified in the current ... transactions; and persistent instances modified in optimistic transactions. Transient
1

[ODB1] Chapter 9 - ObjectDB Explorer

later sections. Section 9.3 explains how to use viewer windows to edit and modify the content ... server mode, it can be accessed simultaneously by other applications. If the database is modified by

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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