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  Oracle Tips by Burleson

Oracle 10g Pre-Commit Handlers

The procedure specified in the precommit_handler parameter must have the following signature:

PROCEDURE handler_procedure (
parameter_name IN NUMBER);

where handler_procedure stands for the name of the procedure and parameter_name stands for the name of the parameter passed to the procedure. The parameter passed to the procedure is the commit SCN number of a commit LCR.

Be careful to code the handler properly. If a pre-commit handler raises an exception, then the entire apply transaction is rolled back, and all of the events in the transaction are moved to the error queue.

Get the complete story:

The above text is an excerpt from "Oracle Database 10g New Features: Reference for Advanced Tuning and Administration", by Rampant TechPress.  Written by top Oracle experts, this book has a complete online code deport with ready to use scripts. 

To get the code instantly, click here:

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