delete Agency where DATEDIFF(d,intime,GETDATE())>7; delete Teacher where DATEDIFF(d,intime,GETDATE())>7; delete Student where DATEDIFF(d,intime,GETDATE())>7; update Agency set state = 0 where DATEDIFF(n , intime, getdate()) > 240 update Teacher set state = 0 where DATEDIFF(n , intime, getdate()) > 240 update Student set state = 0 where DATEDIFF(n , intime, getdate()) > 240 select count(0) from Student where intime > #{date} insert into Agency(deptID , deptName , superDeptID , intime , state) values (#{deptId} , #{deptName} , #{superDeptId} , GETDATE() , 1) insert into Teacher(userID , account , name , deptID , intime , state) values (#{userId} , #{account} , #{name} , #{deptId} , GETDATE() , 1) insert into Student(userID , account , name , classID , intime , state , isCard , isEquipment , card_crafts,cardID,cardid2,cardid3) values (#{userId} , #{account} , #{name} , #{classId} , GETDATE() , 1 ,0,0,2,#{cardID},#{cardID2},#{cardID3})