Harry Broomhall <[EMAIL PROTECTED]> writes: > I'm not entirely sure how I would do this, as the 'lookup' is actualy > a join. I thought that the order of nameing the joined tables didn't > matter (except for 'left' and 'right'), similar to the fact that 1 + 2 is > the same as 2 + 1.
Outer joins are commutative (1+2 == 2+1) at least barring the left/right issue. But they are not associative. (1+2)+3 != 1+(2+3). There are cases where the optimizer could prove a particular set of joins could be reordered this way, but it doesn't know how to do that currently. -- greg ---------------------------(end of broadcast)--------------------------- TIP 2: you can get off all lists at once with the unregister command (send "unregister YourEmailAddressHere" to [EMAIL PROTECTED])