Darl Kuhn is currently a senior DBA working for Oracle Corporation. He has coauthored four other books: Oracle SQL Recipes (Apress, 2009), Linux Recipes for Oracle DBAs (Apress, 2009), RMAN Recipes for Oracle Database 11g (Apress, 2008), and Oracle RMAN Pocket Reference (O'Reilly Media, 2001). He also teaches advanced database courses at Regis University. Darl does volunteer DBA and developer work for the Rocky Mountain Oracle Users Group. He has a graduate degree from Colorado State University and currently lives near Frog Rock, Colorado, with his wife, Heidi, and daughters, Brandi, and Lisa.