Re: Does Codd's view of a relational database differ from that ofDate&Darwin?[M.Gittens]
Date: Mon, 11 Jul 2005 14:02:37 -0700
On 11 Jul 2005 10:35:15 -0700, "vc" <boston103_at_hotmail.com> wrote:
>Would not you agree that the word "constructor" describes better what
>it does than a "selector" ? Also, with the object type that's its
No. In the case of a constant, the value is not being constructed. (For example, the value 3 already exists.) The value is being selected from the set of valid values for the type.
Gene Wirchenko Received on Mon Jul 11 2005 - 23:02:37 CEST