Script: temp_usage.sql

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-- -----------------------------------------------------------------------------------
-- File Name    : http://www.oracle-base.com/dba/monitoring/temp_usage.sql
-- Author       : Tim Hall
-- Description  : Displays temp usage for all session currently using temp space.
-- Requirements : Access to the V$ views.
-- Call Syntax  : @temp_usage
-- Last Modified: 12/02/2004
-- -----------------------------------------------------------------------------------


COLUMN temp_used FORMAT 9999999999

SELECT NVL(s.username, \'(background)\') AS username,
       s.sid,
       s.serial#,
       ROUND(ss.value/1024/1024, 2) AS temp_used_mb
FROM   v$session s
       JOIN v$sesstat ss ON s.sid = ss.sid
       JOIN v$statname sn ON ss.statistic# = sn.statistic#
WHERE  sn.name = \'temp space allocated (bytes)\'
AND    ss.value > 0
ORDER BY 1;