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ejb doubt

 
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hi,
why we using ejb rather than jdbc transaction? pls clear my doubt.
 
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using ejb make ur life so easy.. for example

1. it does database connection for you.. which means if u r changing ur database also u dont have to touch ur code.
2. it maintain and handle connection pooling for you. u dont have to bother about it
3. it does all commit and roll back the transaction automatically.. u dont have to handle exceptions and do ur rollback etc..

so is int it developers life saver??
 
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