mysql> select adddate('1998-01-02', 31);+---------------------------+| adddate('1998-01-02', 31) |+---------------------------+| 1998-02-02 |+---------------------------+1 row in set (0.00 sec)
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mysql> select adddate('1998-01-02', 31);+---------------------------+| adddate('1998-01-02', 31) |+---------------------------+| 1998-02-02 |+---------------------------+1 row in set (0.00 sec)
转载于:https://www.cnblogs.com/sea-stream/p/11299558.html