Shulou(Shulou.com)06/01 Report--

--The following are related tables

SELECT * FROM v$lock;

SELECT * FROM v$sqlarea;

SELECT * FROM v$session;

SELECT * FROM v$process ;

SELECT * FROM v$locked_object;

SELECT * FROM all_objects;

SELECT * FROM v$session_wait;

--View locked tables

select b.owner,b.object_name,a.session_id,a.locked_mode from v$locked_object a,dba_objects b where b.object_id = a.object_id;

--Look at that user. That process is deadlocked.

select b.username,b.sid,b.serial#,logon_time from v$locked_object a,v$session b where a.session_id = b.sid order by b.logon_time;

--View connected progress

SELECT sid, serial#, username, osuser FROM v$session;

--*** Find sid, serial#,os_user_name, machine_name, terminal, lock type,mode of lock table

SELECT s.sid, s.serial#, s.username, s.schemaname, s.osuser, s.process, s.machine,

s.terminal, s.logon_time, l.type

FROM v$session s, v$lock l

WHERE s.sid = l.sid

AND s.username IS NOT NULL

ORDER BY sid;

This statement will find all the locks generated by DML statements in the database, and you can also find

Any DML statement actually creates two locks, a table lock and a row lock.

--**** Kill process sid,serial#

alter system kill session '210,11562';

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