On Sun, May 14, 2006 at 10:50:50PM -0400, Tom Lane wrote: > Enzo Daddario <enzo@xxxxxxxxxxxxxxx> writes: > > I am now required the remove thousands of obsolete records from table > > "X" and even though I have removed all related rows in all related > > tables, the deletion of rows in table "X" is taking WAY TOO LONG. > > You need to put indexes on the referencing columns. Then start a fresh > session for doing the actual deletes (FK check plans are usually cached > per-session). Would SET CONSTRAINTS ... DEFERRED not help, or does it still use the same machinery to do the checking, regardless of how much data there is to check? -- Jim C. Nasby, Sr. Engineering Consultant jnasby@xxxxxxxxxxxxx Pervasive Software http://pervasive.com work: 512-231-6117 vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461