> Right, but when you write your script (or whatever) that cleans these > keys up and does the merge, you're where you started -- arbitrary > integer keys with no meaning. If you merge databases where the keys are > *supposed* to have meaning, you then have to mangle *real* data to make > them merge. Also, there are plenty of circumstances besides the sale/merge one I mentioned which would require account # changes but not require changes to the synthetic keys. -- Scott Ribe scott_ribe@xxxxxxxxxxxxxxx http://www.killerbytes.com/ (303) 722-0567 voice