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Home -> Community -> Usenet -> comp.databases.theory -> Re: SQL Humor
On Fri, 19 Aug 2005 12:32:53 -0400, "JT" <someone_at_microsoft.com>
wrote:
[snip]
>I make good use of check constraints, especially on user entered VarChar
>columns. The reason I suggested VarChar(20) is to support in future changes
>the Fed may make to the SSN coding scheme.
Why 20? Why not 30? Or 16?
[snip]
Sincerely,
Gene Wirchenko Received on Fri Aug 19 2005 - 12:18:04 CDT
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