11 | Updating JPA Entity Objects.getTransaction().begin(); employee.setNickname("Joe the Plumber"); em.getTransaction().commit ... ); em.getTransaction().begin(); employee.projects[0] = new Project(); // not detected |
11 | Setting and Tuning of JPA Queries). The setFirstResult method is used to specify where the result window begins, i.e. how many results at the beginning of the complete result list should be skipped and ignored. The setMaxResults method |
8 | Database Explorer and File > Discard Changes, the Explorer automatically begins a new transaction for the next editing |
8 | Deleting JPA Entity Objects); em.getTransaction().begin(); em.remove(employee); em.getTransaction().commit |
8 | ObjectDB Object Database Features transactions. Operations: begin, commit, rollback. Processes and Threads All API classes and interfaces |
8 | Posting Sample Code"); EntityManager em = emf.createEntityManager(); em.getTransaction().begin(); MyEntity e |
1 | [ODB1] Chapter 5 - JDO Connections.currentTransaction().begin(); // Operations that modify the database should come here. pm ... transactions. A transaction is started by a call to begin() and ended by a call to commit() or rollback ... .getPersistenceManager(); Transaction tr = pm.currentTransaction(); try { tr.begin |
1 | [ODB1] Chapter 2 - A Quick Tour[] args) { 10 11 // Create or open a database and begin a transaction: 12 ... pm.currentTransaction().begin(); 15 16 // Obtain a persistent list: 17 ... .getPersistenceManager(); 29 30 try { 31 // Begin the transaction: 32 |
1 | Step 3: Add a Main Class(); // Store 1000 Point objects in the database: em.getTransaction().begin |
1 | Step 3: Define an EJB Session Bean to wrap every operation that modifies the database (such as persist) by transaction begin and commit |
