There are TONS of scripts on metalink. Search for yourself.


http://metalink.oracle.com/metalink/...T&id=1019486.6

http://metalink.oracle.com/metalink/...T&id=1020086.6

http://metalink.oracle.com/metalink/...T&id=1020176.6

http://metalink.oracle.com/metalink/...T&id=1050267.6