On Tue, Jan 23, 2007 at 01:07:19PM -0800, codeWarrior wrote: > No... its a table constraint using a unique, implicit index on the listed > columns. .
Sure. But since these get added as table constraints after dump anyway, I'm not sure I see why it makes a difference. In any case, the point is that what you call a "real" primary key is an artificial one, and what SQL weenies would think is a "real" primary key is in fact, a natural primary key based on the data in the table. That may well be multiple columns of data. (I know of one really nasty case where it was five. Yes, the application needed rewriting. But it was normalised :) A -- Andrew Sullivan | [EMAIL PROTECTED] A certain description of men are for getting out of debt, yet are against all taxes for raising money to pay it off. --Alexander Hamilton ---------------------------(end of broadcast)--------------------------- TIP 1: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly