Rob Richardson wrote:
>
> But how is that significantly better than an update trigger that
> includes:
>
> If old.value <> new.value then
> do something
> End if
>
> RobR
>
>
It's better because the new version will not fire unless the "WHEN"
condition is satisfied, which means that you will save a few trigger
invocations, which should improve the performance. The present method
would fire every time, and check for the values.
--
Mladen Gogala
Sr. Oracle DBA
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