2020-02-16 标签:oracle,数据库,查看,sql,语句,执行时间,sp,0027,错误,进入,sqlplus,set,timing,select,count,comm,human,role,866

进入sqlplus SQL> set timing on SQL> SQL> select count(*) from comm_human_role; COUNT(*) ---------- 866 Elapsed: 00:00:00.05 以上数字输出分别是：Hours:Min

2020-02-16 标签:asp,n,et,每天,定点,执行任务,实现,代码,如下,public,static,void,system,timers,timer,atimer,ew,elapsed

实现代码如下：public static void ClearCountByTime() { System.Timers.Timer aTimer = new System.Timers.Timer(); aTimer.Elapsed += new ElapsedEventHandler(TimeE