oracle查看隐藏参数

oracle 如何查看隐藏参数：

createor replaceview my_v$parameter_with_hidden

(NUM,NAME ,
TYPE, display_Value , ISDEFAULT , ISSES_MODIFIABLE ,

ISSYS_MODIFIABLE ,ISMODIFIED , ISADJUSTED, DESCRIPTION,

UPDATE_COMMENT)

as

select x.indx+1,ksppinm,ksppity,ksppstvl,ksppstdf,

decode(bitand(ksppiflg/256,1),1,'TRUE','FALSE'),

decode(bitand(ksppiflg/65536,3),1,'IMMEDIATE',2,'DEFERRED',

3,'IMMEDIATE','FALSE'), decode(bitand(ksppstvf,7),

1,'MODIFIED',4,'SYSTEM_MOD','FALSE'),

decode(bitand(ksppstvf,2),2,'TRUE','FALSE'),

ksppdesc, ksppstcmnt

from x$ksppi x, x$ksppcv y

where (x.indx
= y.indx)

/

View created.

SQL>grant
select on my_v$parameter_with_hidden
to system;

Grant succeeded.

SQL> conn
system

Enter password:

Connected.

SQL>create synonym v$parameter
for sys.my_v$parameter_with_hidden;

Synonym created.