개발/mysql
[mysql] 중복글 삭제
적아38
2021. 6. 24. 10:22
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#{column2} , #{column3} : 중복
DELETE FROM #{table} WHERE #{column1} IN(
SELECT #{column1} FROM
(SELECT #{column1} FROM #{table}
GROUP BY #{column2} , #{column3}
HAVING COUNT(*) > 1) AS tmp
)
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