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what are differences between UserTransaction and EntityTransaction ?

 
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Thank you for reading my post.


What are different between UserTransaction and EntityTransaction ?

( in context of EJB 3 and JPA )


Thanks
 
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UserTransaction is provided by JTA and provided by the application server's JTA Transaction Manager that supports global transaction. The EntityTransaction is essentially a high-level abstraction over a resource localJDBC transaction, as opposed to the distributed JTA transaction. EntityTransaction is supposed to be used when JTA transaction is not available outside the container. We discuss this topic in Chapter 9 of the book
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