Re: Default column value [ANSWERED]

From: Rich Shepard <rshepard(at)appl-ecosys(dot)com>
To: "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>
Subject: Re: Default column value [ANSWERED]
Date: 2016-12-30 16:51:15
Message-ID: alpine.LNX.2.11.1612300848140.11546@localhost
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On Fri, 30 Dec 2016, David G. Johnston wrote:

> "The CHECK clause specifies an expression producing a Boolean result which
> new or updated rows must satisfy for an insert or update operation to
> succeed. Expressions evaluating to TRUE or UNKNOWN succeed."
>
> NULL == "UNKNOWN"

David,

I forgot about that. Thanks for pointing it out to me.

Regards,

Rich

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