视图
创建视图
create view student1(name,age,idd,aname) as select b.name,b.age,b.idd,a.name from student b,course a where b.idd=a.id create view student1(name,age,idd,aname)
视图
创建视图
create view student1(name,age,idd,aname) as select b.name,b.age,b.idd,a.name from student b,course a where b.idd=a.id create view student1(name,age,idd,aname)