Is F1.AMTLICHESKENNZEICHEN indexed as this seems to be the main filter?
-----Original Message-----
[mailto:[EMAIL PROTECTED]]
Sent: 27 January 2003 13:04
To: Multiple recipients of list ORACLE-L
Hi List:
I have the below query which is taking 5 min. 20 sec. to fetch the
records. Can you please let me know as to how do I reduce the responste
time? I have created indexes on Fahrzeug.FZGBRIEF and
Historie.mytechobjekt and also the Oid column is uniquely indexed. I
replaced the FIRST_ROWS hint with RULE hint as a result of which it is
taking 3-4 min.
select /*+FIRST_ROWS*/ count(*)
from
ZPAB.FZGBRIEF B1,
ZPAB.FAHRZEUG F1,
ZPAB.HISTORIE H1
where
F1.FZGBRIEF = B1.OID
AND F1.OID = H1.MYTECHOBJEKT(+)
AND (H1.CCCONTROL IN(1, 2, 3)
OR NOT EXISTS
(SELECT /*+INDEX_FFS(HISTORIE, I_MYTECHOBJEKT) */ ZPAB.FAHRZEUG.OID
FROM ZPAB.FAHRZEUG,ZPAB.HISTORIE
WHERE ZPAB.FAHRZEUG.OID = ZPAB.HISTORIE.MYTECHOBJEKT and
ZPAB.FAHRZEUG.oid=F1.oid))
AND F1.AMTLICHESKENNZEICHEN LIKE 'DD%'
Any help in this regard is very much appreciated.
Thanks and Regards,
Ranganath
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Author: Krishnaswamy, Ranganath
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