---10. delete from ShanJian_View where sno='s1' --（11） create view S_Sname_View cascade as select sname from S_View with check option ---（12） sp_rename S_view,SS_View --（13） alter view SS_view as select sno,sname,'上海' city from s --（14） drop view ss_view --（15） into ss_view drop view s_view cascade select * from SS_View select * from S_Sname_View drop view s_view S_Sname_View create view S_View as select sno,sname from s with check option create view ShanJian_View as select sno,pno,qty from spj where jno =( select jno from j where jname='三键' ) select * from ShanJian_View select * from j update j set jname='三键' where j.jname='三建'
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