Re: [GENERAL] Default column value [ANSWERED] - Mailing list pgsql-general

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