Introduction - If you have any usage issues, please Google them yourself
This book is divided into 12 chapters, each chapter contains a number of principles or guidelines, and by way of example the principles of explanation. These examples are from the real case of nine classic SQL query performance of the scene and their discussion is very easy to practice, the actual work for your specific recommendations. Book for SQL database developers, software architects, but also for DBA, in particular database application maintenance personnel to read.