RE: AW: Why I can't get response

liu xiaotao wrote:

> About answer to 2th question: 
> Where can I found this information?
> Whether will Maxdb distribute some feature to display this 
> informaion? You 
> know,it is important to performance tuning.
> 
> 
> >From: "Zabach, Elke" <elke.zabach@xxxxxxx>
> >To: "liu xiaotao" <tiger_liuxiaotao@xxxxxxxxxxx>, 
> <maxdb@xxxxxxxxxxxxxxx>
> >CC: <maxdb-owner@xxxxxxxxxxxxxxx>
> >Subject: AW: Why I can't get response
> >Date: Fri, 1 Apr 2005 08:48:08 +0200
> >
> >liu xiaotao wrote:
> > >
> > >
> > > Two,how to get information about the execution plan in maxdb? (It 
> shuold
> > > not be explain functon,which is too simple).
> >
> >Only explain available for users.
> >For developers some other info is available, but in a
non-user-read/understandable form.

Hi,

you can get additional information about sql optimization by "explain
sequence" and "explain join" commands
but as Elke already mentioned the output is not very useful for
non-developers.

We are actual evaluating a redesign of the explain output to make the
optimizer decision more understandable.

Kind regards
Holger

--
MaxDB Discussion Mailing List
For list archives: http://lists.mysql.com/maxdb
To unsubscribe:    http://lists.mysql.com/maxdb?unsub=gcdm-maxdb@xxxxxxxxxxx