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what´s event "enq: TM - Contention"

537198Jun 25 2007 — edited Jun 29 2007

What´s difference between events "enq: TM - Contention" and "enq: TX - row lock contention" ?

When my procedure executes in n instances, the event "enq: TM - Contention" appers and generates lockwait in v$session. what´s this ???

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Locked on Jul 27 2007

Added on Jun 25 2007

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