SQLServer2005 高校教学内容 (SQL 基础 - 视图)
发布时间:2020-12-12 13:46:35 所属栏目:MsSql教程 来源:网络整理
导读:创建视图 create view IS_Student(sno,sname,grade)as select student.sno,grade from student,sc where student.sno = sc.sno and sdept = 'IS' and cno = '2' with check option 删除视图 drop view IS_student 视图之间的相互索引 create view IS_s1(snam
创建视图 create view IS_Student(sno,sname,grade) as select student.sno,grade from student,sc where student.sno = sc.sno and sdept = 'IS' and cno = '2' with check option 删除视图
视图之间的相互索引 create view IS_s1(sname,grade) as select sno,grade from IS_student where grade > 90 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |