On Thu, Sep 01, 2005 at 03:51:35PM -0400, Merlin Moncure wrote: > > Huh, hang on -- AFAIK there's no saving at all by doing that. Quite > > the opposite really, because with char(x) you store the padding > > blanks, which are omitted with varchar(x), so less I/O (not > > necessarily a measurable amount, mind you, maybe even zero because > > of padding issues.) > > You are right, all this time I thought there was a 4 byte penalty for > storing varchar type and not in char :(. So there is no reason at all > to use the char type?
Other than SQL conformance, apparently not. -- Alvaro Herrera -- Valdivia, Chile Architect, www.EnterpriseDB.com Bob [Floyd] used to say that he was planning to get a Ph.D. by the "green stamp method," namely by saving envelopes addressed to him as 'Dr. Floyd'. After collecting 500 such letters, he mused, a university somewhere in Arizona would probably grant him a degree. (Don Knuth) ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster
