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121-130 of 200 resultsRefreshRetrieving 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 | |
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What is ObjectDB? ObjectDB is an Object Oriented Database Management System (ODBMS). It provides all the standard database management services (storage and retrieval, transactions, lock management, query processing, etc.), but it uses an object oriented model to store and manage data. You can easily | |
Running JPA Queries/TransactionRequiredException">TransactionRequiredException is thrown if no transaction | |
ObjectDB Overview The 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 | |
Step 2: Entity Class and Persistence Unit name="GuestbookPU" transaction-type="JTA"> <provider>com.objectdb.jpa.Provider< | |
Step 2: Entity Class and Persistence Unit.xsd"> <persistence-unit name="GuestbookPU" transaction-type="RESOURCE_LOCAL"> < | |
Step 2: Entity Class and Persistence Unit/xml/ns/persistence/persistence_2_0.xsd"> <persistence-unit name="GuestbookPU" transaction | |
Step 4: Add a Servlet Class to generate the page output. Finally, the database connection (including the transaction | |
JDO Reference (JavaDoc)|PersistenceManagerFactory|PersistenceManager|Transaction|Query|Extent"> |