On Tue, Jul 17, 2007 at 07:34:26AM -0600, Stuart wrote:
> I am not looking for gapless sequences. The reason I
> want to do this is the "typ" column is actually an indicator
> of the source of the rest of the infomation in the row.
Why do you need the sequence to be 1. . .n for each typ, then? If
they're just there to preserve order, one sequence will work just
fine. Otherwise, I think you have a normalisation problem.
A
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Andrew Sullivan | ajs@crankycanuck.ca
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