Re: [Q] Sorting a column
Date: Fri, 8 Aug 2008 08:58:50 +0200
"digory" <digory_at_gmx.net> schreef in bericht
> I have a table T with two columns NAME (VARCHAR2) and POS (NUMBER). I
> want to write an UPDATE query, which updates the column POS such that
> its values correspond to the alphabetical order of NAME.
> T t1
> SET pos = (SELECT ROWID FROM T t2 WHERE t1.NAME = t2.NAME ORDER BY
> That does not work, because the WHERE clause returns a single row,
> which will always have a ROWID of 1.
> How do I do this? (It's possible with a PROCEDURE, of course, but I
> want to avoid them.)
ROWID? Don't you mean rownum?
I don't think tables will ever have rows with the same rowid (except by coincidence)
Shakespeare Received on Fri Aug 08 2008 - 01:58:50 CDT