sys@ORCL> grant select on v$timer to test;
grant select on v$timer to test
*
ERROR at line 1:
ORA-02030: can only select from fixed tables/views
分析：对以v$开头的视图，不能直接grant
v$开头的视图是v_$的同义词
如v$timer是v_$timer的同义词
sys@ORCL> grant select on v_$timer to test;
Grant succeeded.
