| From: | "Scott Marlowe" <scott(dot)marlowe(at)gmail(dot)com> |
|---|---|
| To: | "Richard Broersma Jr" <rabroersma(at)yahoo(dot)com> |
| Cc: | emilu(at)encs(dot)concordia(dot)ca, pgsql-sql(at)postgresql(dot)org |
| Subject: | Re: Get the max(value1, value2, value3) from a table |
| Date: | 2008-01-07 22:37:52 |
| Message-ID: | dcc563d10801071437t77d9d91bj93b58334d7d0af1f@mail.gmail.com |
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| Lists: | pgsql-sql |
On Jan 7, 2008 4:27 PM, Richard Broersma Jr <rabroersma(at)yahoo(dot)com> wrote:
> --- On Mon, 1/7/08, Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com> wrote:
>
> > select max(col1) from table
> > union all
> > select max(col2) from table
> > union all
> > select max(col3) from table
>
> Would the following work also?
>
> SELECT MAX( GREATEST( col1, col2, col3 ) )
> FROM TABLE;
Not given his example output. Given that output, he wants the max of
each column, and your example would only return a single value.
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