s == sam@xxxxxxxxxxxxx writes: s> On Fri, May 22, 2009 at 08:41:46AM -0500, Brandon Metcalf wrote: s> > I am looking for criteria on deciding whether or not to use a serial s> > (auto-incrementing) key for rows in a table. s> Wow, that's the second time today someone asked that! s> > Intuitively, it's pretty clear to me when a serial index is called s> > for. Is there a succinct set of guidelines that one could go by? s> Not that I'm aware of; it's a fuzzy design choice with benefits and s> costs for either option. There are lots of people who arbitrarily s> pick one side which tends to make things worse, using one or the other s> *exclusively* will add complication. General terms to search for are s> Natural keys vs. Surrogate keys. The search terms help. I wasn't searching for the right thing and finding very little information. -- Brandon -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general