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About transaction

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JDO Doc
9

javax.jdo.JDOHelper

whether the instance is persistent, transactional, dirty, new, deleted, or detached ... within the current transaction. Parameters: pc - the PersistenceCapable instance. Returns: a copy of the ObjectId of the parameter instance as of the beginning of the transaction. Since: JDO 1.0
JPA Doc
8

javax.persistence.TypedQuery

for a criteria query TransactionRequiredException - if there is no transaction QueryTimeoutException ... and the transaction is rolled back Since: JPA 1.0 int getFirstResult() The position of the first result the query ... back TransactionRequiredException - if a lock mode has been set and there is no transaction PessimisticLockException
Result
7

About ObjectDB Database

ObjectDB Object Database ObjectDB is a powerful Object-Oriented Database Management System (ODBMS). It is compact, reliable, easy to use and extremely fast. ObjectDB provides all the standard database management services (storage and retrieval, transactions, lock management, query processing
Manual
7

Database Management Settings

of the database file with $ added at the end. Every transaction commit is first written to the recovery
Manual
7

JPA Entity Fields

in the database for the first time) is 1. For every transaction in which an entity object
Manual
7

Retrieving JPA Entity Objects

The Java Persistence API (JPA) provides various ways to retrieve objects from the database. The retrieval of objects does not require an active transaction because it does not change the content of the database. The persistence context serves as a cache of retrieved entity objects. If a requested
Manual
7

Running JPA Queries

").executeUpdate(); A TransactionRequiredException is thrown if no transaction is active. On success
Manual
7

Setting and Tuning of JPA Queries

em can be visible to anyone who uses em, even before committing the transaction (but not to users
Tutorial
7

Spring MVC JPA Tutorial - NetBeans Project

the application on GlassFish - change the transaction type from RESOURCE_LOCAL to JTA in
Tutorial
7

Step 1: Create a Maven Web Project

>      javax.transaction    jta    1