Update A (without using join)

UPDATE DailyAttendanceTable SET DailyAttendanceTable.Class = B.Class ,DailyAttendanceTable.[Division] = B.[Division],DailyAttendanceTable.[RouteNo] = B.[RouteNo],DailyAttendanceTable.[PickUpPoint] = B.[PickUpPoint],DailyAttendanceTable.[DropRouteNo] = B.[DropRouteNo],DailyAttendanceTable
.[DropDownPoint] = B.[DropDownPoint]FROM SCHULE_STUDENTDETAILS BWHERE DailyAttendanceTable.StudentId = B.StudentId