SELECT COUNT(id_col), id_col FROM myTable GROUP BY id_col HAVING COUNT(id_col) > 1
Should do the trick for you, Alex > -----Original Message----- > From: Wurst, Keith D. [mailto:[EMAIL PROTECTED] > Sent: 19 August 2003 15:10 > To: CF-Talk > Subject: sql question > > > i would like to write a sql query that can find where a > certain 'id' has a duplicate. i don't want to see the ids > where there is only one instance of it. (for example, show me > 20010001 if there are 2 of them in the db, and don't show me > 20010002 if there is only one of them in the db). anyone have > any suggestions? thanks. > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Archives: http://www.houseoffusion.com/lists.cfm?link=t:4 Subscription: http://www.houseoffusion.com/lists.cfm?link=s:4 Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4 Signup for the Fusion Authority news alert and keep up with the latest news in ColdFusion and related topics. http://www.fusionauthority.com/signup.cfm
