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993001 wrote:At first you could start using
How can i fix it??
tags to format your example. At secound you could ask this in the proper sub-forum: This is a database error so it would have better fit here: PL/SQL and SQL And finally: You try to concurrently update the same entry in database from different sessions. You should call <tt>connection.commit()</tt> where your business logic completes a transaction. bye TPD