to optimize a self join request
Hi,
Please help me to optimise this request (tuninng with hints or another way..):
Select COUNT(DISTINCT T1.CIC_COU_CODE) P_CIC_COUNT_NUMB_D,T1.CIC_ACCO_NUMB,TO_CHAR(T1.CIC_DATE,'DD/MM/RRRR') P_CIC_DATE
FROM CARD_INDICATOR_COUNTRY T1, CARD_INDICATOR_COUNTRY T2
WHERE TO_CHAR(T2.CIC_LAST_DATE,'DD/MM/RRRR')=TO_CHAR(sysdate,'DD/MM/RRRR')
And T2.CIC_BAN_CODE=1
AND T1.CIC_ACCO_NUMB= T2.CIC_ACCO_NUMB
AND TO_CHAR(T1.CIC_DATE,'DD/MM/RRRR')=TO_CHAR(T2.CIC_DATE,'DD/MM/RRRR')
AND T1.CIC_FLAG_AUTH_TRAN='A'
GROUP BY T1.CIC_ACCO_NUMB,TO_CHAR(T1.CIC_DATE,'DD/MM/RRRR')
HAVING COUNT(DISTINCT T1.CIC_COU_CODE)>=2;
Many thanks and Regards
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to optimize a self join request
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June 14, 2012 08:23AM
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