create or replace view zy
as
select p.name 
from t1 p,t2 c
where p.id=c.rid
with check option;第四行 t1
       *错误: 名称以由现有对象使用由dba角色登入
select object_name,object_type from dba_objects where object_name='T1';object_name object_type
T1           TABLEselect object_name,object_type from dba_objects where object_name='T2';object_name object_type
T2           TABLE请高手指教,菜鸟在这先谢了