On Fri, Mar 23, 2007 at 05:30:27PM -0500, Kevin Grittner wrote: > I don't understand -- TRUE OR UNKNOWN evaluates to TRUE, so why would > the IN need to continue? I'm not quite following the rest; could you > elaborate or give an example? (Sorry if I'm lagging behind the rest > of the class here.)
You're right, I'm getting confused with the interaction of NULL and NOT IN. The multiple evaluation thing still applies, but that's minor. Have a nice day, -- Martijn van Oosterhout <kleptog@svana.org> http://svana.org/kleptog/ > From each according to his ability. To each according to his ability to > litigate.
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