A.0<=成績<=100 B.成績between 0 and 100 C.成績>=0,成績<=100 D.between 0 and 100
A.姓名=‘王%’ B.姓名 IN ‘王%’ C.姓名 LIKE ‘王’ D.姓名 LIKE ‘王%’
A.let @n=1 B.set @n=1 C.set n=1 D.select 1 from @n