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Message Posted: Fri, 28 Mar 2008 @ 21:07:22 GMT

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It's just a limit. The optimizer does not say, "Oh lookee here, max parse is set to a high number. Therefore I'll do such and such differently than I would if the limit were lower."

On the other hand, when you added or removed a parenthesis, you may have changed a column reference into an expression or vice versa and that might well cause significant differences in how the optimizer processes the term containing the col-ref/expression.

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