MEAPSA

Explore query performance optimization

Read and understand various forms of execution plans. Compare estimated vs actual plans. Learn how and why plans are generated. Understand the purpose and benefits of the Query Store.

Database Administrator

SQL Server

SQL Database

Module Objectives

After completing this module, you will be able to:

Generate and save execution plans
Compare the different types of execution plans
Understand how and why query plans are generated
Explain the purpose and benefits of the Query Store
Investigate the available reports and data in the Query Store

Units

Introduction min
Understand query plans min
Explain estimated and actual query plans min
Describe dynamic management views and functions min
Explore Query Store min
Identify problematic query plans min
Describe blocking and locking min
Exercise: Identify and resolve blocking issues min
Knowledge check min
Summary min

Prerequisites

Ability to use tools for running queries against a Microsoft SQL database, either on-premises on cloud-based.
Ability to write code in the SQL language, particularly the Microsoft T-SQL dialect, at a basic level.
Basic understanding of structure and usage of SQL Server indexes.
Basic understanding of relational database concepts.