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Re: NULLs ;-) - Mailing list pgsql-general

From Tom Lane
Subject Re: NULLs ;-)
Date
Msg-id 26265.1164675025@sss.pgh.pa.us
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In response to NULLs ;-)  (Scott Ribe <scott_ribe@killerbytes.com>)
List pgsql-general
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Scott Ribe <scott_ribe@killerbytes.com> writes:
> But there are times when I need to query what would be described in
> relational terms as "not known to be equal", and

>  where a <> b or (a is null and b is not null) or (a is not null and b is
> null)

IS DISTINCT FROM ?

            regards, tom lane

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