I have a database containing all the football tournament, however I want only to filter out all the pairwise events. Briefly: If A matches B & B matches A, we reserve the two tournament, otherwise forsake this tournament. Please help me, thankx.
On Nov 11, 2009, at 8:53 PM, chalie epps wrote:> I have a database containing all the football tournament, however I > want only to filter out all the pairwise events. > Briefly: > If A matches B & B matches A, we reserve the two tournament, otherwise > forsake this tournament.Sounds like you might want an inner join: ?merge>-- David Winsemius, MD Heritage Laboratories West Hartford, CT