Oracle Database Discussions

Hi,

Oracle Version:10.2.0.1
Operating System:Linux

When i am running the below query to find out the hidden parameters i am getting the error that x$ksppcv table not found.

SELECT
  x.ksppinm name,
  y.ksppstvl VALUE,
  decode(ksppity,
    1,   'BOOLEAN',
    2,   'STRING',
    3,   'INTEGER',
    4,   'PARAMETER FILE',
    5,   'RESERVED',
    6,   'BIG INTEGER',
    'UNKNOWN') typ,
  decode(ksppstdf,
    'TRUE',   'DEFAULT VALUE',
    'FALSE',   'INIT.ORA') isdefault,
  decode(bitand(ksppiflg / 256,   1),
    1,   'IS_SESS_MOD(TRUE)',
    'FALSE') isses_modifiable,
  decode(bitand(ksppiflg / 65536,   3),
    1,   'MODSYS(NONDEFERED)',
    2,   'MODSYS(DEFERED)',
    3,   'MODSYS(*NONDEFERED*)',
    'FALSE') issys_modifiable,
  decode(bitand(ksppstvf,   7),
    1,   'MODIFIED_BY(SESSION)',
    4,   'MODIFIED_BY(SYSTEM)',
    'FALSE') is_modified,
  decode(bitand(ksppstvf,   2),
    2,   'ORA_STARTUP_MOD(TRUE)',
    'FALSE') is_adjusted,
  ksppdesc description,
  ksppstcmnt update_comment
FROM x$ksppi x,
  x$ksppcv y
WHERE x.inst_id = userenv('Instance')
 AND y.inst_id = userenv('Instance')
 AND x.indx = y.indx
 --AND x.ksppinm LIKE '%optim%'
 AND x.ksppinm LIKE '\_%' escape '\';

How can i get that x$ table.

Please help me.