Re: RE: Time to read 6000 (block size 2k) blocks
- From: jaysingh1@xxxxxxxxxxxxx
- To: oracle-l@xxxxxxxxxxxxx
- Date: Fri, 06 Aug 2004 13:09:34 -0400
Jurijs
You are correct. It worked. Now it is doing 9 LIOs instead of 18,800 LIOs.
Thanks you so much.
----- Original Message -----
From: J.Velikanovs@xxxxxxxx
Date: Friday, August 6, 2004 11:12 am
Subject: Re: RE: Time to read 6000 (block size 2k) blocks
> Rows Row Source Operation
> ------- ---------------------------------------------------
> 1 SORT UNIQUE
> 1 COUNT STOPKEY
> 1 NESTED LOOPS
> 4766 TABLE ACCESS BY INDEX ROWID PROFILEDUSER (it has
> 450,000 rows)
> 4767 INDEX RANGE SCAN (PROFILEDUSER_IX03)
> 1 TABLE ACCESS BY INDEX ROWID EXTENDEDATTRIBUTES (it has
> 15,000
> rows)
> 9530 INDEX UNIQUE SCAN (ATTRIBUTES_PK)
>
> The idea is: to start NL with EXTENDEDATTRIBUTES table. Bacause in
> SQL you
> have E.CUSTOMERID = 'ABCDEFGH', and this seems ID value, which
> will return
> 1 row, instead 4766 loops thought PROFILEDUSER.
>
> Try to get EXTENDEDATTRIBUTES as driven table. Or I am wrong ?
>
>
> Jurijs
> +371 9268222 (+2 GMT)
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