2026-03-12 20:23:15

timhall/monitoring/hidden_parameters.sql

@@ -0,0 +1,26 @@
+-- -----------------------------------------------------------------------------------
+-- File Name    : http://www.oracle-base.com/dba/monitoring/hidden_parameters.sql
+-- Author       : DR Timothy S Hall
+-- Description  : Displays a list of one or all the hidden parameters.
+-- Requirements : Access to the v$ views.
+-- Call Syntax  : @hidden_parameters (parameter-name or all)
+-- Last Modified: 28-NOV-2006
+-- -----------------------------------------------------------------------------------
+SET VERIFY OFF
+COLUMN parameter      FORMAT a37
+COLUMN description    FORMAT a30 WORD_WRAPPED
+COLUMN session_value  FORMAT a10
+COLUMN instance_value FORMAT a10
+ 
+SELECT a.ksppinm AS parameter,
+       a.ksppdesc AS description,
+       b.ksppstvl AS session_value,
+       c.ksppstvl AS 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 '/_%' ESCAPE '/'
+AND    a.ksppinm = DECODE(LOWER('&1'), 'all', a.ksppinm, LOWER('&1'))
+ORDER BY a.ksppinm;