Gene,
This is not much help I'm afraid but are the statistics etc on both the old
and new table at the same stage (preferrable both up to date)?.
I've tried to recreate this on NT with no success,
keep me informed.
Dave Leach
-----Original Message-----
Sent: 06 July 2001 14:36
To: Multiple recipients of list ORACLE-L
Hi.
This is a second attempt. My first Email never got
posted.
I have the following query:
select a1.MBR_TYP_CDE MBR_TYP_CDE,
(COUNT ( DISTINCT a1.NOVS_NTWRK_MBR_KYD ))
DISTINCTALLMERCHCO
from MDSS_STAR.NOVUS_NETWRK_MBR_D a1
group by a1.MBR_TYP_CDE
The explain plan for it is as follows:
0-0-5898 1.5898 SELECT STATEMENT SQL1 Cost = 5898
1-0-1 2.1 SORT GROUP BY
2-1-1 3.1 SORT GROUP BY
3-2-1 4.1 SORT GROUP BY
4-3-1 5.1 TABLE ACCESS FULL NOVUS_NETWRK_MBR_D
It has three group by's and the query fails with
0ra-0600 [15851].
when I create a new table as select * from the old
table the plan changes:
0-0-9721 1.9721 SELECT STATEMENT SQL1 Cost = 9721
1-0-1 2.1 SORT GROUP BY
2-1-1 3.1 TABLE ACCESS FULL NOVUS_NETWRK_MBR_D_TMP
and the query works. Does anyone have any guess as to
what is going on?
thank you for any help
Gene
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