常用隐含参数查询

col parameter for a35
col "session value" for a15
col "instance value" for a15
SELECT a.ksppinm "parameter",
b.ksppstvl "session value",
c.ksppstvl "instance value"
FROM x$ksppi a, x$ksppcv b, x$ksppsv c
WHERE a.indx = b.indx
AND a.indx = c.indx
AND a.ksppinm LIKE '_e%';