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Apache License, Version 2.0, January 2004

; and You must cause any modified files to carry prominent notices stating that You changed the files ... are for informational purposes only and do not modify the License. You may add Your own attribution notices ... , provided that such additional attribution notices cannot be construed as modifying the License
Manual
17

Database Connection using JPA

, but it is a one time operation. Once constructed, it can serve the entire application. Operations that modify ... that modify the database should come here. em.getTransaction().commit(); } finally ... is not affected by the rollback and is not returned to its pre-modified state. Ending a transaction
Manual
17

Locking in JPA

) is 1. In every transaction in which an entity object is modified its version number ... if the version numbers do not match, indicating that the object has been modified by another user (using ... the clean entity object as modified (dirty) and increases its version number by 1. The PESSIMISTIC_FORCE
Manual
17

UPDATE SET Queries in JPA/JPQL

its persistence context has been modified by an UPDATE query. Therefore, it is a good practice to use a separate EntityManager for UPDATE queries. As with any operation that modifies the database, UPDATE ... method returns the number of objects that have been modified by the query. Selective Update UPDATE
Manual
17

Obtaining a JPA Database Connection

to manipulate an ObjectDB database we need an EntityManager instance. Operations that modify database ... them to speed up future EntityManager construction. Using an EntityTransaction Operations that modify ... you can invoke EntityManager methods that modify the database content, such as persist and remove. Database
JPA Doc
15

javax.persistence.criteria.CriteriaQuery

results must be eliminated from the query result or whether they must be retained Returns: the modified ... Returns: the modified query. Since: JPA 2.0 Root from(Class entityClass) Create and add a query root ... removed. Parameters: grouping - list of zero or more grouping expressions Returns: the modified query
JDO Doc
14

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
JPA Doc
14

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 from(Class entityClass) Create and add ... method. Parameters: grouping - list of zero or more grouping expressions Returns: the modified
Manual
13

Database Explorer

by other applications. If the database is modified by another process the viewer windows in ... collection can be modified by using the Edit > Move Element commands. Saving Changes The Explorer
Manual
13

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