SQL两条记录的时间差如何计算
在SQL中,可以使用TIMESTAMPDIFF函数计算两条记录的时间差。,,“sql,SELECT TIMESTAMPDIFF(SECOND, record1_time, record2_time) AS time_differ...
在SQL中,可以使用TIMESTAMPDIFF函数计算两条记录的时间差。,,“sql,SELECT TIMESTAMPDIFF(SECOND, record1_time, record2_time) AS time_differ...