2026-03-12 20:23:15

idev/dba_query_hidden_parameters.sql

@@ -0,0 +1,59 @@
+-- +----------------------------------------------------------------------------+
+-- |                          Jeffrey M. Hunter                                 |
+-- |                      jhunter@idevelopment.info                             |
+-- |                         www.idevelopment.info                              |
+-- |----------------------------------------------------------------------------|
+-- |      Copyright (c) 1998-2012 Jeffrey M. Hunter. All rights reserved.       |
+-- |----------------------------------------------------------------------------|
+-- | DATABASE : Oracle                                                          |
+-- | FILE     : dba_query_hidden_parameters.sql                                 |
+-- | CLASS    : Database Administration                                         |
+-- | PURPOSE  : Reports on all hidden "undocumented" database parameters. You   |
+-- |            must be connected as the SYS user to run this script.           |
+-- | NOTE     : As with any code, ensure to test this script in a development   |
+-- |            environment before attempting to run it in production.          |
+-- +----------------------------------------------------------------------------+
+
+SET TERMOUT OFF;
+COLUMN current_instance NEW_VALUE current_instance NOPRINT;
+SELECT rpad(instance_name, 17) current_instance FROM v$instance;
+SET TERMOUT ON;
+
+PROMPT 
+PROMPT +------------------------------------------------------------------------+
+PROMPT | Report   : Invalid Objects                                             |
+PROMPT | Instance : &current_instance                                           |
+PROMPT +------------------------------------------------------------------------+
+
+SET ECHO        OFF
+SET FEEDBACK    6
+SET HEADING     ON
+SET LINESIZE    256
+SET PAGESIZE    50000
+SET TERMOUT     ON
+SET TIMING      OFF
+SET TRIMOUT     ON
+SET TRIMSPOOL   ON
+SET VERIFY      OFF
+
+CLEAR COLUMNS
+CLEAR BREAKS
+CLEAR COMPUTES
+
+COLUMN ksppinm   FORMAT a55   HEAD 'Parameter Name'
+COLUMN ksppstvl  FORMAT a40   HEAD 'Value'
+COLUMN ksppdesc  FORMAT a60   HEAD 'Description'    TRUNC
+
+SELECT
+    ksppinm
+  , ksppstvl
+  , ksppdesc
+FROM
+    x$ksppi x
+  , x$ksppcv y
+WHERE
+      x.indx = y.indx 
+  AND TRANSLATE(ksppinm,'_','#') like '#%'
+ORDER BY
+  ksppinm
+/