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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Author: Gene Gurevich
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