查看隐藏参数

方法一：

set lines 1000
set pages 0
col ksppinm for a40;
col ksppstvl for a30;
col ksppdesc for a80;
SELECT   ksppinm, ksppstvl, ksppdesc  
FROM   x$ksppi x, x$ksppcv y  
WHERE   x.indx = y.indx AND lower(ksppinm) like  lower('%&keyword%');

方法二：

set lines 10000
set pages 0
col p_name for a40
col p_DESCRIPTION for a80
col p_value for a30
SELECT i.ksppinm p_name,
i.ksppdesc p_description,
CV.ksppstvl p_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 upper(i.ksppinm) LIKE upper('%&keyword%')
ORDER BY REPLACE (i.ksppinm, '_', '');

修改隐藏参数

方法跟修改常规参数一样，只是将隐藏参数名用双引号""引起来即可。