oracle查看隐藏参数

要用户sys才可以查到该视图

--查看所有的隐藏参数

select i.ksppinm name,

i.ksppdesc description,

cv.ksppstvl value,

cv.ksppstdf isdefault,

decode(bitand(cv.ksppstvf, 7),

1,

'MODIFIED',

4,

'SYSTEM_MOD',

'FALSE') ismodified,

decode(bitand(cv.ksppstvf, 2), 2, 'TRUE', 'FALSE') isadjusted

from sys.x$ksppi i, sys.x$ksppcv cv

where i.inst_id = userenv('Instance')

and cv.inst_id = userenv('Instance')

and i.indx = cv.indx

and i.ksppinm like '/_%' escape '/'

order by replace(i.ksppinm, '_', '');

--查看_system_trig_enabled的值

select a.ksppinm parameter, b.ksppstvl value

from x$ksppi a,

x$ksppcv b 　　Where a.indx = b.indx and ksppinm = '_system_trig_enabled';