Interesting ... You would think there would be tons of overhead to update the index file everytime one row is deleted ... I'll leave the indexes in there and maybe do a time comparison to see if there's any difference (although this is a 6.5 database so wouldn't be currently relevant).
Karen > About the DELETE DUPLICATES Command > > Use DELETE DUPLICATES to delete duplicate rows from a table. A duplicate > row is a row where the values for each column are exactly the same as those > in another row in the table. This command deletes all but the first row for > each set of duplicate rows. > > DELETEDUPLICATES processes faster when the table contains an indexed > column and the USING collist option is used. > > Rules for Column Deletion > > > > > > And I thought line “DELETE DUPLICATES processes faster when the table > contains an indexed column and the USING collist option is used.” Was right. > > > > Sincerely, > > Paul D. > > > > > > > >

