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Those concept is hard to conquer

 
vitesse wei
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hi,all,I found the follwoing concepts are hard to understand and remember,anybody has a better way to describe them or any recommendded articles or chapter references from rancher's SCBCD5's books are appreciated.

transaction-scoped persistence context
extended persistence context
JTA entity-manager
resource-local entity manager
conainer-managed persistence context
Container-managed Transaction-scoped Persistence Context
Container-managed Extended Persistence Context
application-managed persistence contexts


thanks advance!
-vitesse
[ April 07, 2008: Message edited by: vitesse wei ]
 
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