GV$PARAMETER definition in Oracle Database 11.2
GV$PARAMETER
select
x.inst_id, -- INST_ID NUMBER
x.indx+1, -- NUM NUMBER
ksppinm, -- NAME VARCHAR2(80)
ksppity, -- TYPE NUMBER
ksppstvl, -- VALUE VARCHAR2(4000)
ksppstdvl, -- DISPLAY_VALUE VARCHAR2(4000)
ksppstdf, -- ISDEFAULT VARCHAR2(9)
decode( -- ISSES_MODIFIABLE VARCHAR2(5)
bitand(ksppiflg/256,1),1,'TRUE','FALSE'),
decode( -- ISSYS_MODIFIABLE VARCHAR2(9)
bitand(ksppiflg/65536,3),1,'IMMEDIATE',2,'DEFERRED', 3,'IMMEDIATE','FALSE'),
decode( -- ISINSTANCE_MODIFIABLE VARCHAR2(5)
bitand(ksppiflg,4),4,'FALSE', decode(bitand(ksppiflg/65536,3), 0, 'FALSE', 'TRUE')),
decode( -- ISMODIFIED VARCHAR2(10)
bitand(ksppstvf,7),1,'MODIFIED',4,'SYSTEM_MOD','FALSE'),
decode( -- ISADJUSTED VARCHAR2(5)
bitand(ksppstvf,2),2,'TRUE','FALSE'),
decode( -- ISDEPRECATED VARCHAR2(5)
bitand(ksppilrmflg/64, 1), 1, 'TRUE', 'FALSE'),
decode( -- ISBASIC VARCHAR2(5)
bitand(ksppilrmflg/268435456, 1), 1, 'TRUE', 'FALSE'),
ksppdesc, -- DESCRIPTION VARCHAR2(255)
ksppstcmnt, -- UPDATE_COMMENT VARCHAR2(255)
ksppihash -- HASH NUMBER
from
x$ksppi x,
x$ksppcv y
where
(x.indx = y.indx) and bitand(ksppiflg,268435456) = 0 and ((translate(ksppinm,'_','#') not like '##%') and ((translate(ksppinm,'_','#') not like '#%') or (ksppstdf = 'FALSE') or (bitand(ksppstvf,5) > 0)))