About begin

11-20 of 200Refresh
Manual
16

Updating JPA Entity Objects

.getTransaction().begin(); employee.setNickname("Joe the Plumber"); em.getTransaction().commit ... ); em.getTransaction().begin(); employee.projects[0] = new Project(); // not detected
Manual
11

Database Explorer

and File > Discard Changes, the Explorer automatically begins a new transaction for the next editing
Manual
11

Deleting JPA Entity Objects

); em.getTransaction().begin(); em.remove(employee); em.getTransaction().commit
Result
11

ObjectDB Object Database Features

heavy loaded multi-user systems. Transactions JPA/JDO ACID transactions. Operations: begin, commit
Result
11

Posting to ObjectDB Website - Important Instructions

");         EntityManager em = emf.createEntityManager();         em.getTransaction().begin();         MyEntity e = new
Tutorial
11

Step 3: Add a Main Class

(); // Store 1000 Point objects in the database: em.getTransaction().begin
Tutorial
11

Step 3: Add a Main Class

Point objects in the database: em.getTransaction().begin(); for (int i = 0; i < 1000
Tutorial
11

Step 3: Define a Spring DAO Component

every operation that modifies the database (such as persist) by transaction begin and commit. The next step is adding a Controller Class.  
Tutorial
11

Step 3: Define a Spring DAO Component

that modifies the database (such as persist) by transaction begin and commit. The next step is adding a Controller Class.  
Tutorial
11

Step 3: Define an EJB Session Bean

to wrap every operation that modifies the database (such as persist) by transaction begin and commit