About entities

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Forum
19

A few entities loss after update to 2.3.7_08!

A few entities loss after update to 2.3.7_08!
Forum
19

Entity not removed 100%

Entity not removed 100%
Forum
19

How to avoid NULL values on Embedded entities

How to avoid NULL values on Embedded entities
Forum
19

Using your own classes in the entity class?

Using your own classes in the entity class?
Manual
19

Index Definition

Querying without indexes requires iteration over entity objects in the database one by one. This may take a significant amount of time if many entity objects have to be examined. Using proper indexes ... a standard method for declaring indexes, but JDO does. The following entity definition uses JDO’s
Manual
19

SELECT clause (JPQL / Criteria API) [2013-03-11]

The ability to retrieve managed entity objects is a major advantage of JPQL. For example ... > results = query.getResultList(); Because the results are managed entity objects they have all the support that JPA provides for managed entity objects, including transparent navigation to other database
Manual
19

SELECT clause (JPQL / Criteria API)

The ability to retrieve managed entity objects is a major advantage of JPQL. For example ... > results = query.getResultList(); Because the results are managed entity objects they have all the support that JPA provides for managed entity objects, including transparent navigation to other database
Manual
18

CRUD Database Operations with JPA [2011-02-11]

it to store, retrieve, update and delete database objects. Storing New Entity Objects The following ... a managed entity) by the persist method. The new Point objects are physically stored in the database only when the transaction is committed. The Storing Entities section in chapter 3 discusses
Manual
18

CRUD Database Operations with JPA

it to store, retrieve, update and delete database objects. Storing New Entity Objects The following ... a managed entity) by the persist method. The new Point objects are physically stored in the database only when the transaction is committed. The Storing Entities section in chapter 3 discusses
JPA Doc
17

javax.persistence.EntityManager

of entity instances in which for any persistent entity identity there is a unique entity instance. Within the persistence context, the entity instances and their lifecycle are managed. The EntityManager API is used to create and remove persistent entity instances, to find entities by their primary