Inside the SQL Server Query Optimizer (by Benjamin Nevarez).pdf {Sality}

“Inside the SQL Server Query Optimizer”, written by Benjamin Nevarez, will take you from the fundamentals of Statistics, Cost Estimation, Index Selection, and the Execution Engine, and guide you through the inner workings of the Query Optimization process, and throws in a pragmatic look at Parameterization and Hints along the way.

Description

A better understanding of what the Query Optimizer does behind the scenes can help you to improve the performance of your databases and applications, and this book explains the core concepts behind how the SQL Server Query Optimizer works. With this knowledge, you’ll be able to write superior queries, provide the Query Optimizer with all the information it needs to produce efficient execution plans, and troubleshoot the cases when the Query Optimizer is not giving you the best plan possible.

Table of Contents

Introduction to Query Optimization
Execution Engine
Statistics and Cost Estimation
Index Selection
The Optimization Process
Additional Topics
Hints