Patch steps

http://babudba.blogspot.com/2008/09/upgrade-oracle-from-10201-to-10204.html

Real Time - Scenarios

http://www.dbasupport.com/forums/archive/index.php/t-24276.html   - Control File backup to recovery database

Unix Commands for DBA's

http://www.oracle-base.com/articles/misc/UNIXForDBAs.php#BasicFileNavigation#BasicFileNavigation

Real Scenarios

http://itcareershift.com/blog1/2010/11/17/real-life-dba-scenarios-archive-log-file/

http://www.fitness-equipment-superstore.com/p/weider-total-body-works-5000-home-gym?utm_medium=Shopbots&utm_term=www.fitness-equipment-superstore.com&utm_campaign=weider-total-body-works-5000-home-gym&srccode=cii_23393768&cpncode=25-19556575-2&utm_source=Channel_Intelligence_AmazonProductAds

OEM

Installing OEM Agent using Response File

Installing OEM Agent using Agent Deployment Wizard

http://forums.oracle.com/forums/thread.jspa?threadID=1110109&tstart=225