>>> On Tue, Feb 28, 2006 at 11:36 am, in message <440435BC.EE98.0025.0@xxxxxxxxxxxx>, "Kevin Grittner" > Also, EXISTS works in situations where > you need to compare on multiple columns, so it is useful in many > situations where EXISTS or MIN/MAX techniques just don't work. Sorry. That should have read: EXISTS works in situations where you need to compare on multiple columns, so it is useful in many situations where IN or MIN/MAX techniques just don't work.
