Write a single SQL to delete duplicate records from the a
single table based on a column value. I need only Unique
records at the end of the Query.
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Answer Posted / guest
Hope this will help,
DELETE FROM EMPLOYEE
WHERE (EMP_ID,EMP_NAME) IN
(SELECT EMP_ID,EMP_NAME FROM
(SELECT EMP_ID,EMP_NAME ,ROW_NUMBER() OVER (PARTITION BY
EMP_ID,EMP_NAME ORDER BY EMP_ID,EMP_NAME) AS FLG
FROM EMPLOYEE) A
WHERE
A.FLG<>1)
| Is This Answer Correct ? | 4 Yes | 10 No |
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