On Thu, 18 Sep 2003 12:27:23 -0700 (GMT-07:00), LN Cisneros
<[EMAIL PROTECTED]> wrote:
>But, the EXISTS version doesn't
Laurette,
looking at that SELECT statement again I can't see what's wrong with
it. One of us is missing something ;-)
> really give me what I want...
Can you elaborate?
SELEC
03 10:34 AM
To: LN Cisneros <[EMAIL PROTECTED]>, LN Cisneros <[EMAIL PROTECTED]>,
Manfred Koizar <[EMAIL PROTECTED]>,
Christopher Kings-Lynne <[EMAIL PROTECTED]>
Cc: LN Cisneros <[EMAIL PROTECTED]>, [EMAIL PROTECTED]
Subject: Re: [PERFORM] rewrite in
Laurette,
> >SELECT t1.code, t1.id, t1.date_of_service
> > FROM tbl t1 INNER JOIN
> > (SELECT DISTINCT date_of_service
> > FROM tbl
> > WHERE xxx >= '29800' AND xxx <= '29909'
> > AND code = 'XX'
> > ) AS t2 ON (t1.date_of_service = t2.date_of_service)
> > WHERE
On Thu, 18 Sep 2003 13:23:37 +0800, "Christopher Kings-Lynne"
>To the original poster: You did not provide a lot of information, but
>the following suggestions might give you an idea ...
>
Yes, sorry about that. But in my query for a set of dates returned from the subquery
I would then like
On Thu, 18 Sep 2003 13:23:37 +0800, "Christopher Kings-Lynne"
<[EMAIL PROTECTED]> wrote:
>Why can't you just go:
>
>select code, id, name, date_of_service from tbl where xxx <= 29800 and xx >=
>29909 and code='XX' and client_code='XX' order by id, date_of_service;
Because (ignoring conditions on c
> I'm on 7.3.4 and this query gets horrible performance. Is there a way to
rewrite it with an exists or some way to get better performance?
>
> select code, id, name, date_of_service
> from tbl
> where date_of_service in
> (select date_of_service
> from tbl
> where xxx >=
I'm on 7.3.4 and this query gets horrible performance. Is there a way to rewrite it
with an exists or some way to get better performance?
select code, id, name, date_of_service
from tbl
where date_of_service in
(select date_of_service
from tbl
where xxx >= '29800'
