On 07.03.2006, at 16:04 Uhr, Tom Lane wrote:
Because IN means "=", which is a member of the index opclass for the second index but not the first. Why do you care? Should be about the same result either way.
Only because I haven't set up the second index because I wasn't aware of this fact.
cug -- PharmaLine, Essen, GERMANY Software and Database Development
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