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Script: lock_tree.sql
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-- ----------------------------------------------------------------------------------- -- File Name : https://oracle-base.com/dba/10g/lock_tree.sql -- Author : DR Timothy S Hall -- Description : Displays information on all database sessions with the username -- column displayed as a heirarchy if locks are present. -- Requirements : Access to the V$ views. -- Call Syntax : @lock_tree -- Last Modified: 18-MAY-2005 -- ----------------------------------------------------------------------------------- SET LINESIZE 500 SET PAGESIZE 1000 COLUMN username FORMAT A30 COLUMN osuser FORMAT A10 COLUMN machine FORMAT A25 COLUMN logon_time FORMAT A20 SELECT level, LPAD(' ', (level-1)*2, ' ') || NVL(s.username, '(oracle)') AS username, s.osuser, s.sid, s.serial#, s.lockwait, s.status, s.module, s.machine, s.program, TO_CHAR(s.logon_Time,'DD-MON-YYYY HH24:MI:SS') AS logon_time FROM v$session s WHERE level > 1 OR EXISTS (SELECT 1 FROM v$session WHERE blocking_session = s.sid) CONNECT BY PRIOR s.sid = s.blocking_session START WITH s.blocking_session IS NULL; SET PAGESIZE 14