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Script: top_sessions.sql
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-- ----------------------------------------------------------------------------------- -- File Name : https://oracle-base.com/dba/monitoring/top_sessions.sql -- Author : Tim Hall -- Description : Displays information on all database sessions ordered by executions. -- Requirements : Access to the V$ views. -- Call Syntax : @top_sessions.sql (reads, execs or cpu) -- Last Modified: 21/02/2005 -- ----------------------------------------------------------------------------------- SET LINESIZE 500 SET PAGESIZE 1000 SET VERIFY OFF COLUMN username FORMAT A15 COLUMN machine FORMAT A25 COLUMN logon_time FORMAT A20 SELECT NVL(a.username, '(oracle)') AS username, a.osuser, a.sid, a.serial#, c.value AS &1, a.lockwait, a.status, a.module, a.machine, a.program, TO_CHAR(a.logon_Time,'DD-MON-YYYY HH24:MI:SS') AS logon_time FROM v$session a, v$sesstat c, v$statname d WHERE a.sid = c.sid AND c.statistic# = d.statistic# AND d.name = DECODE(UPPER('&1'), 'READS', 'session logical reads', 'EXECS', 'execute count', 'CPU', 'CPU used by this session', 'CPU used by this session') ORDER BY c.value DESC; SET PAGESIZE 14