Troubleshooting Plan Changes with Query Store in SQL 2016
Have you ever had random performance problems with a particular query? Have you noticed different execution plans for the same query? In this session were going to cover how execution plans get invalidated and why data skew could be the root cause to seeing different execution plans for the same query. We will look at options for forcing a query to use a particular execution plan. Finally, you will learn how this complex problem can be identified and resolved simply using a new feature in SQL Server 2016 called Query Store. Goals: 1. Learn how execution plans are created and removed from plan cache 2. Understand how and why execution plans change 3. Learn how to lock in an execution plan for a given query.
John Sterrett19 RecordingsJohn's experience leading large technical teams in complex environments has made him a global expert in performance and scalability. John speaks at conferences around the world on database strategy and topics related to performance tuning, development, and cloud computing. He is a Microsoft Certified Trainer, is the principal consultant and founder at Procure SQL.
- Capitol Area Central Texas Users of SQL Server 85 Recordings
Oct 20, 2015
- SQL 28 Recordings