Re: Table design question

On 25 Jan 2004 03:39:33 -0800, andrewst_at_onetel.net.uk (Tony) wrote:

>But it isn't a domain: the domain of user ID numbers would be
>something like "any 6 digit number between 100000 and 999999" or "a
>string of between 3 and 30 letters and numbers"; whereas this table
>represents the list of users who actually exist,

Try thinking about it this way . . .

At the conceptual level, a domain is just a data type, and a type is, among other things, a set of all possible values. One way to handle a set of values is to store them in a table.

-- 
Mike Sherrill
Information Management Systems