DBAs,

   Does anyone by all means know the system/internal tables which store the 
information about QEP (query evaluation plan)? QEP here means the 
"projection","restriction" and "join" on tables after Oracle parses the SQL statement. 
 What I want to do is to get this QEP and do some modification on it.


Many thanks in advance.

Chuan
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Author: Chuan Zhang
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