Bruno Wolff III wrote:
> On Tue, Sep 09, 2003 at 21:02:21 -0700,
> Alex Martinoff <[EMAIL PROTECTED]> wrote:
> > I'm wondering if it's possible to have a query construct a column
> > where the value of the column at each row is taken from another field
> > in that same row. For example, suppose you have a table like:
>
> You can use CASE to do this.
You can also use UNION:
SELECT col1 ...
UNION
SELECT col2 ...
--
Bruce Momjian | http://candle.pha.pa.us
[EMAIL PROTECTED] | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
---------------------------(end of broadcast)---------------------------
TIP 6: Have you searched our list archives?
http://archives.postgresql.org
