Hi Kevin
Thanks for quick reply..Its normally taking 2-4min to show whole data, my cc
has 18179 rows, and cf has 51513 rows..Here is explain
18179 rows selected.
Execution Plan
0 SELECT STATEMENT Optimizer=CHOOSE (Cost=1866 Card=46885 Byte
s=3188180)
1 0 SORT (UNIQUE) (Cost=1866 Card=46885 Bytes=3188180)
2 1 NESTED LOOPS (Cost=36 Card=46885 Bytes=3188180)
3 2 TABLE ACCESS (FULL) OF 'CUSTOMER_FINANCE' (Cost=36 Car
d=50409 Bytes=2217996)
4 2 INDEX (UNIQUE SCAN) OF 'PK_CUSTOMER_CODE' (UNIQUE)
>From: kevinedba_at_netscape.net (kevin edwards)
>To: raghukota_at_hotmail.com ("Raghu Kota"), oracledba_at_lazydba.com
>("LazyDBA.com Discussion")
>Subject: RE: Optimizing the query to increase performance??
>Date: Wed, 26 Sep 2001 14:21:40 -0400
>
>withoust seeing an explain plan this is just a guess
>
>SELECT CC.CUST_NO, CF.DISBURSE_CUST_NO
>FROM CUSTOMER_CODE CC,CUSTOMER_FINANCE CF
>WHERE CC.CUST_NO = CF.BILL_CUST_NO(+)
>AND CC.CUST_NO BETWEEN 10000 AND 999999
>and CF.BILL_CUST_NO BETWEEN 10000 AND 999999
>AND (CF.EFF_START_DATE <= to_date('16-SEP-2001 00:00:00','dd-mon-yyyy
>hh24:mi:ss') AND
>CF.EFF_STOP_DATE >= to_date('16-SEP-2001 23:50:00','dd-mon-yyyy
>hh24:mi:ss') )
>group by CC.CUST_NO, CF.DISBURSE_CUST_NO
>"Raghu Kota" <raghukota_at_hotmail.com> wrote:
>
> >
> >Hi Friends,
> >
> >I had a query running longer time!!, what is best way to optimize this
> >query?? Or can I break this query for 5000 records each..Any ideas and
> >suggestions??
> >
> >SELECT DISTINCT CC.CUST_NO, CF.DISBURSE_CUST_NO FROM CUSTOMER_CODE CC,
> >CUSTOMER_FINANCE CF WHERE CC.CUST_NO = CF.BILL_CUST_NO(+) AND CC.CUST_NO
> >BETWEEN 10000 AND 999999 AND (CF.EFF_START_DATE <= '16-SEP-2001' AND
> >CF.EFF_STOP_DATE >= '16-SEP-2001')
> >
> >
> >Thanks
> >Raghu.
> >
> >
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>
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Author: Raghu Kota
INET: raghukota_at_hotmail.com
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Received on Wed Sep 26 2001 - 13:49:59 CDT
