Hi Michael,
just in addition to Jonathan's reply. You can also use the dump() function for
verification, e.g.
* http://orafaq.com/usenet/comp.databases.oracle.server/2005/03/02/0226.htm
* http://www.orafaq.com/usenet/comp.databases.oracle.server/2005/03/02/0261.htm
Best Regards
Stefan Koehler
Freelance Oracle performance consultant and researcher
Homepage: http://www.soocs.de
Twitter: @OracleSK
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