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This article mainly explains "what is the use of Oracle Kill Lock". The content of the explanation is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "what is the use of Oracle Kill Lock"?

1. Find a session with lock blocking:

Select sid,serial#,program,machine,username,event,blocking_instance,blocking_session from gv$session where wait_class' Idle'

Instance where the blocking_instance lock source is located

Blocking_session lock source SID

two。 Locate the lock source according to blocking_session:

Select sid,serial#,program,machine,username,event,blocking_instance,blocking_session,paddr,sql_id,prev_sql_id from gv$session where inst_id=1 and sid=157

The ID of the SQL statement being executed by Sql_id

The ID of the last SQL statement executed by prev_sql_id

Sometimes the last executed SQL statement is not necessarily the one that causes blocking.

3. View sql_text based on sql_id or prev_sql_id:

Select sql_text from v$sql where sql_id='61d2zmyjyc3km'

4. End the lock source session:

Alter system kill session '472, 23983, and 1' immediate.

Thank you for your reading, the above is the content of "what is the use of Oracle Kill Lock". After the study of this article, I believe you have a deeper understanding of what is the use of Oracle Kill Lock, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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