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This article introduces the relevant knowledge of "how to solve the sql deadlock problem". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Query the lock table information, you can see who locked the table, and then ask him to release

Select sess.sid

Sess.serial#

Lo.oracle_username

Lo.os_user_name

Ao.object_name

Lo.locked_mode

From v$locked_object lo

Dba_objects ao

V$session sess

Where ao.object_id = lo.object_id and lo.session_id = sess.sid

If there is a deadlock, you can kill the locking table process according to sessionID. SessionID was found by the previous sql.

Alter system kill session '5100.9398'

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