what may be the differences between using this clause and not using it?
Saludos,
Veronica Levin Enriquez
Administrador AIX
Compañía Cervecera de Nicaragua
-----Mensaje original-----
De: deepak thapliyal [mailto:[EMAIL PROTECTED]]
Enviado el: Martes, 07 de Agosto de 2001 05:41 p.m.
Para: Multiple recipients of list ORACLE-L
Asunto: RE: Optimizer Mode......how to choose the right one?
try analyzing using the "for all indexed columns"
clause ..
--- "Miller, Jay" <[EMAIL PROTECTED]> wrote:
> You probably already thought of this, but I hope you
> aren't analyzing the
> SYS schema? This can cause terrible performance
> problems.
>
> Jay Miller
>
> -----Original Message-----
> Sent: Tuesday, August 07, 2001 12:06 PM
> To: Multiple recipients of list ORACLE-L
>
> ...
>
> I tried FIRST_ROWS, analyzing the tables, but users
> claimed that performance
> was getting worse, so I chaged it to Choose. Always
> analyzing the tables....
>
> but, everytime I analyze the tables, performance
> gets worse.
> Is this a normal behavior?
>
> Any advice will be welcome!
>
> thanks is advance,
>
> Saludos,
> Veronica Levin Enriquez
> Administrador AIX
> Compañía Cervecera de Nicaragua
> --
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> Author: Veronica Levin
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Author: deepak thapliyal
INET: [EMAIL PROTECTED]
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