On Thu, 2006-02-02 at 09:12 +1300, Ralph Mason wrote: > Hi, > > I have 2 tables both have an index on ID (both ID columns are an oid). > > I want to find only only rows in one and not the other. > > Select ID from TableA where ID not IN ( Select ID from Table B) Have you considered this: SELECT ID from TableA EXCEPT Select ID from Table B ? -jwb