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Tip of the Day
Language: SQL
Expertise: Intermediate
Jun 30, 2009

WEBINAR:

On-Demand

Building the Right Environment to Support AI, Machine Learning and Deep Learning


Determine Which Session Is Blocking All Users in Oracle

You can find out which session is causing blocking problems using this SQL command:
SELECT blocking_session, sid, serial#, 
   wait_class, seconds_in_wait 
FROM v$session  
WHERE blocking_session IS NOT NULL
ORDER BY blocking_session;
Srinath MS
 
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