Re: A select DISTINCT query? - followup Q

On Sunday 27 January 2008 10:56:18 am Mike Ginsburg wrote:
> Hi Phil,
>   Each of columns that you specify in your SELECT clause, must also
> appear in the GROPU BY clause.
>
> SELECT COUNT(*) AS cnt, name, comment, ...
> FROM tst
> GROUP BY name, comment, ...
> HAVING COUNT(*) = 1;
>
Is the requirement of select fields matching group by fields a SQL92
requirement or something to due to Postgres?  I ask because with Visual Fox
Pro I know that I can have several select fields with only one group by
field.
--
John Fabiani