Re: Implementing standard SQL's DOMAIN constraint [RESOLVED]

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От Rich Shepard
Тема Re: Implementing standard SQL's DOMAIN constraint [RESOLVED]
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Msg-id alpine.LNX.2.20.1901021026370.20959@salmo.appl-ecosys.com
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Ответ на Re: Implementing standard SQL's DOMAIN constraint [RESOLVED]  (Ron <ronljohnsonjr@gmail.com>)
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On Wed, 2 Jan 2019, Ron wrote:

> Note that a CHECK constraint with 50 items is a *Very Bad Idea*, since
> changing such a constraint is very painful. Use a FK constraint instead.

Ron,

   It's even longer with Canadian provinces included. I gratefully accept
your advice and will use a table and foreign key instead.

Regards,

Rich



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