Gregory Smith is the principal consultant in the United States for international PostgreSQL services firm 2ndQuadrant. Based in Baltimore, MD, he's been providing database advice to clients in industries like manufacturing, finance, and web development for twenty years. Dedicated to open-source technology since early in his career, Greg turned to full-time PostgreSQL work by diving in at the source code level. He contributes regular feature patches to the core database and has written a variety of database tools. This book reflects the perspective that he's gained over the last few years as one of the most prolific sources of advice on the popular PostgreSQL community mailing lists.