Re: using exists against entire column?
Think of the 'b' and 'd' aliases as aliases for rows in the table, not the table itself. After I started thinking of these aliases as pointing to individual rows instead of the whole table, it was easier to visualize self-joins.
Regards,
Bill K.
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December 07, 2006 12:59PM
December 07, 2006 01:53PM
December 07, 2006 02:06PM
December 07, 2006 11:01PM
Re: using exists against entire column?
December 09, 2006 04:09PM
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