select * from client_info where month(CREATED_DT) =
month(‘2013-9-01‘) and year(CREATED_DT) = year(‘2013-09-01‘);
datediff; 在mysql 中 select datediff(‘2003-01-01‘,‘2003-01-02‘); 在SQL 中 select datediff(hh,‘2003-01-01‘,‘2003-01-02‘);
时间: 2024-12-19 21:53:40