About commit

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JDO Doc
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javax.jdo.PersistenceManager

. The data store object will be removed at commit. Unlike makePersistent, which makes the closure ... makeNontransactional(Object pc) Make an instance non-transactional after commit. Make an instance non-transactional after commit. Normally, at transaction completion, instances are evicted from the cache
Manual
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Database Explorer

with the active transaction. The File > Save menu command commits the transaction (applying
Manual
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Detached Entity Objects

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

. A PersistenceException is thrown on commit (or flush) if different entities have the same value in a unique
Result
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ObjectDB Web Site - Terms and Conditions of Use

not, however, make any commitment to update the materials. 6. Links ObjectDB Software has not
Tutorial
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Step 3: Add a Main Class

, i); em.persist(p); } em.getTransaction().commit
Tutorial
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Step 3: Add a Main Class

); } em.getTransaction().commit(); // Find the number of Point objects in the database
Tutorial
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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
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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
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Step 3: Define an EJB Session Bean

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