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How to fix drop table and truncate table commands frozen in Oracle 10g

Brian Peasland EXPERT RESPONSE FROM: Brian Peasland

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QUESTION POSED ON: 09 December 2008
I am using an Oracle database 10g R2 on a HP-UX machine. I can't use drop table and truncate table commands in my database. Those commands are frozen until I kill the session. Can you help?


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The only way to figure out why the commands are "frozen" is to figure out what the command is waiting for. There could be two possibilities here -- either the session is waiting for a lock to be released, or the session is waiting for an event to occur before it can continue with the command.

On my website is a white paper titled Solving User Problems. Page 3 discusses how to find the SID for your session. Once you've identified the SID of the session that is having the difficulty, then look to pages 6-8 to see if another session is holding a lock. If there is no lock, then look to pages 15-17 to see what wait events are holding up the session.




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