What you'll learn

Index maintenance is a complex topic, and one that's crucial for a well-performing database. In this course, Optimizing SQL Server Statistics and Indexes, you will learn foundational knowledge on how to keep your database and indexes well-maintained. First, you will explore missing and unused indexes, looking at how the indexes used by the system change over time. Next, you will discover why indexes, rowstore, and columnstore need maintenance and how to best perform that maintenance. Finally, you will learn how to perform statistics maintenance, allowing you to ensure that the Query Optimizer gets the information it needs to generate good execution plans. When you are finished with this course, you will have the skills and knowledge of index maintenance needed to keep your database running smoothly.