ObjectDB ObjectDB

Internal Website Search

61-70 of 200 resultsRefresh

Detached Entity Objects

invocation of rollback or by a commit failure. Explicit Merge Detached objects can be attached

Database Explorer

> Save menu command commits the transaction (applying all the changes to the database). The File

ObjectDB Website - Terms and Conditions of Use

not, however, make any commitment to update the materials. 6. Links ObjectDB Software has not

ObjectDB Object Database Features

transactions. Operations: begin, commit, rollback. Processes and Threads All API classes and interfaces

Posting Sample Code

= new MyEntity("test");         em.persist(e);         em.getTransaction().commit

Index Definition

. A PersistenceException is thrown on commit (or flush) if different entities have the same value in

Step 3: Define an EJB Session Bean

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

Step 3: Add a Main Class

); em.persist(p); } em.getTransaction().commit(); // Find the number

Step 4: Add a Servlet Class

.getTransaction().commit(); } // Display the list of guests: List

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.

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

Need Help?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support