On Thu, 21 Jun 2001 [EMAIL PROTECTED] wrote: > > Is it possible to have a foreign key to a non-primary key (also > meaning non-unique and therefore non-indexed) column i a table? Generally no. It's not allowed by the spec, so as of 7.1, we prevent it. Admittedly, you could pull the rug out from underneath it by dropping the index, though. ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/users-lounge/docs/faq.html
