帮忙写一个SQL代码呀!!
CREATE VIEW Customers AS SELECT 表A.ID FROM 表A Inner Join 表B On 表A.ID=表B.ID
同意上面的答案,还可以写成 create view v_temp as select a.ID from a,b where a.ID = b.ID
答:select top 5 c_name,c_stufrom classwhere c_stu > 30 and c_type = '真' and c_na...详情>>