Here is the video of “Database Basics”, which I presented at the February 2008 Boston MySQL User Group meeting. The presentation goes over the basics of relations, data, the Entity-Relationship Model, how to choose data types, and how to do basic CREATE statements.

You can download:

the video (Large, 500 MB, or Small, 100 MB)
and
the slides (PDF, 171 Kb).

Or just watch the video: