This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
Do you use "now()" function in a trigger or procedure? "Now" does return the exact time that triggering event started, unlike "sysdate()". If you need to get the exact time when the now/sysdate line is executed you should use "sysdate()".