Recently, one of my users nor I could update a table.  As I dug around, I 
couldn't find any of the 'lock' tables such as dba_locks.  Eventually, I 
managed to start data gatherer and get OEM's lock manager to kill the hung 
session.  What do you guys do to find and terminate this deadlock or hung 
sessions?  Are the 'lock' system tables built with specific options during 
db build?

TIA.  ...R
[EMAIL PROTECTED]

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Author: Richard Lau
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