On Wed, 8 Oct 2003 12:23:04 +0100 (BST), Harry Broomhall
<harry.broomhall@uk.easynet.net> wrote:
>I am currently
>doing a left outer join into a temporary file, then the UPDATE, but this
>involves two joins!
UPDATE a
SET col1 = b.col11, col2 = b.col12
FROM a AS x LEFT JOIN b ON (x.??? = b.???)
WHERE a.pk = x.pk;
might not run faster, but at least it is only one statement and you
don't have to care for temporary tables ...
Servus
Manfred
