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Find duplicates in MySQL SELECT col1, …
http://olhg45.fr/?kaption=m6-la-belle-rencontre-le-clochard&5b3=43 Find duplicates in MySQL SELECT col1, col2, count(col3) FROM t1 GROUP BY col1, col2 HAVING count(col3) > 1 Adapted from http://support.microsoft.com/default.aspx?scid=kb;en-us;139444