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David
I suggest you not jump so quickly to thinking it's a bug. The optimizer
looks at all kinds of things, even the runtime environment. And when the
file changes, it has to do its work again.
There are just too many things that can affect how SQL does its work -
we just need to learn to trust that, given good indexes, that things
will run well. Of course, our SQL statements can make a difference, and
for that, one MUST use the Visual Explain feature of Navigator to find
the best chance of a good result.
Vern
On 3/8/2011 6:13 AM, David FOXWELL wrote:
Two versions of the same program, one running slower than the other. Recompiled the slow runner and it now performs like the faster version. Smells like a bug.
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