As systems administrator and DBA for a large Australian ski resort, James Watson is responsible for making sure his databases are secure, accessible, and reliable to support his organization's core business products: lift tickets, ski rentals, ski lessons, and retail and food and beverage sales. Keeping the databases optimally tuned is essential, and he must be able to track database changes such as inserts, updates, and deletes for auditing purposes. Working in a shop that supports databases on...