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SQL Server 2017 Developer???s Guide

You're reading from   SQL Server 2017 Developer???s Guide A professional guide to designing and developing enterprise database applications

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Product type Paperback
Published in Mar 2018
Publisher Packt
ISBN-13 9781788476195
Length 816 pages
Edition 1st Edition
Languages
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Authors (3):
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Dejan Sarka Dejan Sarka
Author Profile Icon Dejan Sarka
Dejan Sarka
Miloš Radivojević Miloš Radivojević
Author Profile Icon Miloš Radivojević
Miloš Radivojević
William Durkin William Durkin
Author Profile Icon William Durkin
William Durkin
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Toc

Table of Contents (19) Chapters Close

Preface 1. Introduction to SQL Server 2017 FREE CHAPTER 2. Review of SQL Server Features for Developers 3. SQL Server Tools 4. Transact-SQL and Database Engine Enhancements 5. JSON Support in SQL Server 6. Stretch Database 7. Temporal Tables 8. Tightening Security 9. Query Store 10. Columnstore Indexes 11. Introducing SQL Server In-Memory OLTP 12. In-Memory OLTP Improvements in SQL Server 2017 13. Supporting R in SQL Server 14. Data Exploration and Predictive Modeling with R 15. Introducing Python 16. Graph Database 17. Containers and SQL on Linux 18. Other Books You May Enjoy

Query Store

Query Store is a new performance troubleshooting tool, fully integrated into the database engine. In my opinion, it is one of the best database engine features since 2005 and the introduction of OPTION(RECOMPILE). Query Store helps you to troubleshoot query performance by collecting information about queries, resource utilization, execution plans, and the other execution parameters. This information is stored in a database and therefore it survives server crashes, restarts, and failovers.

Query Store not only helps you to identify issues with query executions, but also lets you easily and quickly fix or work-around problems caused by poorly chosen execution plans. This fix can even be done automatically.

In this chapter, you will learn about the following points:

  • Why Query Store has been introduced
  • What Query Store is intended for and what it is not
  • Query Store architecture...
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