摘要：
--select * from tblstudentdata where student_id='19840101'--delete from tblstudentdata where student_id='0220129080'----select * from tblstudentdata where student_id='0220129080' --0220020454----declare @count as integer;set @count=0;select @count=count(1) from tblstudentdata 阅读全文
