http://blog.chinaunix.net/uid-20784775-id-373968.html
http://www.orafaq.com/wiki/Scripts
https://communities.bmc.com/docs/DOC-9942
http://www.oracle-base.com/dba/script.php?category=monitoring&file=monitor.sql
http://toolkit.rdbms-insight.com/scripts.php
http://www.blacksheepnetworks.com/security/resources/www.think-forward.com/sqltips.htm