Fast Object Database for Java - with JPA/JDO support

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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

Step 3: Define an EJB Session Bean

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

ObjectDB Object Database Features

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

Posting Sample Code

MyEntity("test");         em.persist(e);         em.getTransaction().commit();         Query query

Step 3: Add a Main Class

); } em.getTransaction().commit(); // Find the number of Point objects in

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.

Index Definition

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

[ODB1] Chapter 9 - ObjectDB Explorer

(and the equivalent toolbar button) commits the transaction which applies all the changes

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.

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