1. Amit Banerjee Sr. Program Manager Microsoft Data Platform Group
Slow Query: Bring It On
Amit Banerjee
Sr. Program Manager
Microsoft Data Platform Group

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3. C:\Users\> whoami Known on Twitter as @banerjeeamit
An affair with SQL Server for nearly a decade
Was part of SQL Escalation Services and Premier Field Engineering team at Microsoft
Now a Sr. Program Manager on the Microsoft SQL Server (TIGER) product team focusing on HADR and Replication
Speaker at SQL PASS, TechEd, Virtual TechDays, User Groups, SQL Saturdays
Dabble around with supportability tools and have contributed to SQL Backup Simulator, SQLDIAG/PSSDIAG Manager and SQL Nexus
Co-authored “Professional SQL Server 2012: Internals and Troubleshooting”
Own TroubleshootingSQL.com
Also found at
C:\Users\> whoami Known on Twitter

4. SLOW QUERY

5. Agenda
Query Store
Live Query Statistics
Plan Comparison

6. Data Insights Conversation
11/13/2018
VISUALIZE + DECIDE
Mobile
Reports
Natural language
query
Dashboards
Applications
Streaming
CAPTURE + MANAGE
Relational
Internal & external 
Non-relational
NoSQL
{ }
TRANSFORM + ANALYZE
Orchestration
Machine learning
Modeling
Information management
Complex event processing
Data
TRANSFORM + ANALYZE
VISUALIZE + DECIDE
CAPTURE + MANAGE
The Microsoft data platform
© 2013 Microsoft Corporation. All rights reserved. Microsoft, Windows, and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

7. Query Store: When performance is not good…
Database is not working
Web site is down
Impossible to predict / root cause
Temporary perf. issues
Regression caused by new bits
DB upgraded
Plan choice change can cause these problems

8. With Query Store you CAN…
Long-term/strategic
Find and fix plan regressions
Identify top resource consumers
De-risk SQL Server upgrade
Deeply analyze workload patterns
Short-term/tactical

9. Live Query Statistics

10. Plan Comparison

11. Demonstration

12. QUESTIONS

13. Resources Live Query Statistics Query Store Plan Comparison Tool
Known on Twitter

14. Like What You’ve Heard? Preconference Session:
How to be a Ninja: Troubleshooting SQL performance on Azure Virtual Machines

15. Thank You
This FREE SQL Saturday is brought to you courtesy of these sponsors, speakers and volunteers who staff this event