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-- 2건이상 데이터
SELECT  MAX(ID) AS ID, MAX(TIMS_DATE) AS TIMS_DATE, MAX(FUND_CODE) AS FUND_CODE, COUNT(*) AS CNT
  FROM IFT_FUND_STANDARD_MODIFY
  WHERE FUND_CODE ='01032'
GROUP BY TIMS_DATE||FUND_CODE
HAVING COUNT(*) > 1

 

-- 2건이상 데이터중 과거 데이터 삭제
DELETE  -- SELECT꼭 해보고 날려버린다
FROM IFT_FUND_STANDARD_MODIFY
WHERE TIMS_DATE||FUND_CODE
IN
(
    SELECT TIMS_DATE||FUND_CODE
    FROM IFT_FUND_STANDARD_MODIFY
    WHERE FUND_CODE ='01032'
    GROUP BY TIMS_DATE||FUND_CODE
    HAVING COUNT(*) > 1
)
AND ID NOT IN (
SELECT  MAX(ID) as ID
  FROM IFT_FUND_STANDARD_MODIFY
  WHERE FUND_CODE ='01032'
GROUP BY TIMS_DATE||FUND_CODE
HAVING COUNT(*) > 1
)

 

CONCAT(TIMS_DATE,FUND_CODE) 도 가능

 

출처 - http://linguist79.tistory.com/49

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