Foreword to the Fourth Edition
This book made me happy! If you are already using a SQL-compliant database, or are just starting to learn, I bet this book will make you happy too.
When I first picked up The Practical SQL Handbook, I had been a database consultant for several years, yet I was having trouble getting a moderately complicated query (a “self-join”) to work. I scanned the Table of Contents and immediately found the chapter I needed. In the Third Edition, this was “Chapter 7: Joining Tables for Comprehensive Data Analysis.” As I read Chapter 7, I was impressed with the clarity of the language, the effective use of examples and figures, and the thoroughness of the chapter. It started by explaining how to extract information from several ...
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