Database Activity Monitoring - what are the keys to success?

Interested in hearing perspectives from the Focus community on Database Activity Monitoring and Database Security:* Relative to other activities, how important a topic is this to your organization? What are the key business drivers? * What are the key best practices that you've deployed (or seek to deploy) * Who are the technology vendors you see that are leading the market? * How do you determine and manage Privileged User access? * How does Database Monitoring/Security tie into your broader Information and Network Security infrastructure and strategy? How does it tie into your Compliance strategy?