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