session_undo.sql

— ———————————————————-
— File Name    :
— http://www.oracle-base.com/dba/monitoring/session_undo.sql
— Author       : DR Timothy S Hall
— Description  : Displays undo information
—                on relevant database sessions.
— Requirements : Access to the V$ views.
— Call Syntax  : @session_undo
— Last Modified: 29/03/2005
— ———————————————————-
SET LINESIZE 200

COLUMN username FORMAT A15

SELECT s.username,
       s.sid,
       s.serial#,
       t.used_ublk,
       t.used_urec,
       rs.segment_name,
       r.rssize,
       r.status
FROM   v$transaction t,
       v$session s,
       v$rollstat r,
       dba_rollback_segs rs
WHERE  s.saddr = t.ses_addr
AND    t.xidusn = r.usn
AND    rs.segment_id = t.xidusn
ORDER BY t.used_ublk DESC;