How to Manage Enterprise DBMS Efficiently

Here's a free Forrester Report that is very basic, but free Forrester Reports are not that common so it's worth a read. It has few interesting nuggets, including:

The ratio of DBAs to databases is 21 across the industry, projects to grow to 30 in the next 2-3 years.

It recommends standardizing on a single platform, whatever that platform may be.

Develop a Formal Install Process.

Outsourcing DBAs can save 10-40% of administrative costs, but is not for everyone.