Merlin Moncure <mmonc...@gmail.com> wrote: > Well, this may not fit the OP's 'real' query Right, if I recall correctly, the OP said it was simplified down as far as it could be and still have the issue show. > but the inner subquery is probably better written as a semi-join > (WHERE EXISTS). Well, that doesn't mean that we shouldn't try to optimize perfectly valid alternative spellings. Having each logically equivalent way to write a query generate a different plan is far worse than hints that are more clearly written. ;-) -Kevin
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