2026-03-12 20:23:15

idev/sess_user_sessions.sql

@@ -0,0 +1,89 @@
+-- +----------------------------------------------------------------------------+
+-- |                          Jeffrey M. Hunter                                 |
+-- |                      jhunter@idevelopment.info                             |
+-- |                         www.idevelopment.info                              |
+-- |----------------------------------------------------------------------------|
+-- |      Copyright (c) 1998-2012 Jeffrey M. Hunter. All rights reserved.       |
+-- |----------------------------------------------------------------------------|
+-- | DATABASE : Oracle                                                          |
+-- | FILE     : sess_user_sessions.sql                                          |
+-- | CLASS    : Session Management                                              |
+-- | PURPOSE  : Report on all User Sessions.                                    |
+-- | 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$instance;
+SET TERMOUT ON;
+
+PROMPT 
+PROMPT +------------------------------------------------------------------------+
+PROMPT | Report   : User Sessions Summary Report                                |
+PROMPT | Instance : &current_instance                                           |
+PROMPT +------------------------------------------------------------------------+
+
+SET ECHO        OFF
+SET FEEDBACK    OFF
+SET HEADING     ON
+SET LINESIZE    180
+SET PAGESIZE    50000
+SET TERMOUT     ON
+SET TIMING      OFF
+SET TRIMOUT     ON
+SET TRIMSPOOL   ON
+SET VERIFY      OFF
+
+CLEAR COLUMNS
+CLEAR BREAKS
+CLEAR COMPUTES
+
+COLUMN max_sess_allowed  FORMAT 9,999,999       JUSTIFY r HEADING 'Max sessions allowed'
+COLUMN num_sessions      FORMAT 9,999,999,999   JUSTIFY r HEADING 'Number of sessions'
+COLUMN pct_utl           FORMAT a19             JUSTIFY r HEADING 'Percent Utilization'
+COLUMN username          FORMAT a15             JUSTIFY r HEADING 'Oracle User'
+COLUMN num_user_sess     FORMAT 9,999,999       JUSTIFY r HEADING 'Number of Logins'
+COLUMN count_a           FORMAT 9,999,999       JUSTIFY r HEADING 'Active Logins'
+COLUMN count_i           FORMAT 9,999,999       JUSTIFY r HEADING 'Inactive Logins'
+
+SELECT
+    TO_NUMBER(a.value)         max_sess_allowed
+  , TO_NUMBER(count(*))        num_sessions
+  , LPAD(ROUND((count(*)/a.value)*100,0) || '%', 19)  pct_utl
+FROM 
+    v$session    b
+  , v$parameter  a
+WHERE 
+    a.name = 'sessions'
+GROUP BY 
+    a.value;
+
+BREAK on report
+COMPUTE sum OF num_user_sess count_a count_i ON report
+
+SELECT
+    lpad(nvl(sess.username, '[B.G. Process]'), 15) username
+  , count(*) num_user_sess
+  , nvl(act.count, 0)   count_a
+  , nvl(inact.count, 0) count_i
+FROM 
+    v$session sess
+  , (SELECT    count(*) count, nvl(username, '[B.G. Process]') username
+     FROM      v$session
+     WHERE     status = 'ACTIVE'
+     GROUP BY  username)   act
+  , (SELECT    count(*) count, nvl(username, '[B.G. Process]') username
+     FROM      v$session
+     WHERE     status = 'INACTIVE'
+     GROUP BY  username) inact
+WHERE
+         nvl(sess.username, '[B.G. Process]') = act.username (+)
+     and nvl(sess.username, '[B.G. Process]') = inact.username (+)
+GROUP BY 
+    sess.username
+  , act.count
+  , inact.count
+/
+
+SET FEEDBACK 6