This week's book giveaway is in the JDBC and Relational Databases forum. We're giving away four copies of Resilient Oracle PL/SQL: Building Resilient Database Solutions for Continuous Operation and have Stephen Morris on-line! See this thread for details.
For MySQL you can set the "log" and "log-update" entries in the config file (see the docs for details). Or you can use the Admin GUI to turn the logs on.