On Nov 8, 2007 4:08 PM, Stut [EMAIL PROTECTED] wrote:
Hi all,
I've inherited a PHP app that uses a MySQL database. The following query
is extremely slow and I've been battling for a couple of days on an off
to try and get a combination of indexes to optimise it. Any help would
be greatly
Hi Rob,
Thanks for your reply.
Rob Wultsch wrote:
On Nov 8, 2007 4:08 PM, Stut [EMAIL PROTECTED] wrote:
Hi all,
I've inherited a PHP app that uses a MySQL database. The following query
is extremely slow and I've been battling for a couple of days on an off
to try and get a combination of
On Nov 12, 2007 7:57 AM, Stut [EMAIL PROTECTED] wrote:
Hi Rob,
Thanks for your reply.
Rob Wultsch wrote:
On Nov 8, 2007 4:08 PM, Stut [EMAIL PROTECTED] wrote:
Hi all,
I've inherited a PHP app that uses a MySQL database. The following query
is extremely slow and I've been battling
On Nov 12, 2007 9:22 AM, Afan Pasalic [EMAIL PROTECTED] wrote:
If you have to deal with it again consider using a bunch of unions
instead of the 'IN'. Not prettiest thing, but it should fix your
performance issue.
Could you please give me more details about your statement that mysql deals
I think the second can be better (more different values). But it
contains almost the same data than the table.
Try :
explain Select machine,count(*) from syslog WHERE date1 (NOW()
- INTERVAL 24
hour) AND message LIKE 'sshd%' GROUP BY machine;
But an index with(date1, message, machine)
