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Procedure to delete all rows in a column older than 30 days

原文 2011-10-18 16:58:44 9 2 mysql/ sql-delete

谁能帮我编写一个过程/函数，从MySQL数据库中所有表中的名为prs_date的列中删除30天以上的行？

2 answers

看一下DATEDIFF运算符并将其与CURDATE()

DELETE FROM myTable WHERE DATEDIFF(CURDATE(), prs_date) > 30;

该查询可以帮助

DELETE FROM sometable WHERE TO_DAYS(NOW()) - TO_DAYS(prs_date) <= 30;

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