MySQL创建视图虚拟表
查看class表
创建新表并添加数据
create table name(mingzi char(32),banji int(32));
insert into name values('meng',3),('tao',6),('zhu',5);
创建视图虚拟表stu,并查询虚拟表与实际表内容是否一致
create view stu as select class.id,name.mingzi from class inner join name where class.num=name.banji;
select * from stu;
select class.id,name.mingzi from class inner join name where class.num=name.banji;
#视图为映射,查看原表信息
修改sushe实际表内容,删除数据
delete from name where mingzi='meng';
查看虚拟表及实际表信息
信息发生改变,MySQL视图虚拟表创建成功。