On Tue, Apr 17, 2007 at 04:33:33PM -0400, Radhika Sambamurti wrote: > Andrew, > This has been quite helpful. My main concern is CPU cost. Thanks for the > input.
You're welcome. Are you sure your main concern should be CPU cost? It's true that numeric is more costly that float in a lot of cases, but I know at least one auditor who will refuse to certify results from programs that anywhere use floating-point storage or calculation on accounting data. The problem is really that you can get compound errors -- very small rounding errors several times can turn out to be a big problem. (One quick primer that can help you understand this is at <http://www2.hursley.ibm.com/decimal/decifaq1.html>.) A -- Andrew Sullivan | [EMAIL PROTECTED] The whole tendency of modern prose is away from concreteness. --George Orwell ---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq
