Example: ROW CACHE LOCK ...

Investigate ROW CACHE LOCK when we found High "row cache lock' wait
http://it.toolbox.com/blogs/surachart/row-cache-lock-35256

Etc:
Oracle DUPLICATE Without Connection to Target Database (11gR2)
http://surachartopun.com/2009/11/duplicate-without-connection-to-target....

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Surachart Opun
http://surachartopun.com