On Thu, Jan 05, 2006 at 01:39:02PM -0600, Kurt Welgehausen wrote: > create trigger EnumTrg before insert on MainTbl for each row > when (select count(*) from EnumVals where val = new.EnumCol) = 0 begin > select raise(rollback, 'foreign-key violation: MainTbl.EnumCol'); > end;
Wouldn't that be a lot more efficient with some kind of EXISTS test rather than a count(*)? -- Jim C. Nasby, Sr. Engineering Consultant [EMAIL PROTECTED] Pervasive Software http://pervasive.com work: 512-231-6117 vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461
