Now, it’s your turn: we let you loose in the lab and point you at a series of queries that are getting bad cardinality estimates. You need to change the query or the database to improve the estimates – or do you? Some of these queries might be getting bad estimates, but it’s not affecting…
Now, it’s your turn: we let you loose in the lab and point you at a series of queries that are getting bad cardinality estimates. You need to change the query or the database to improve the estimates – or do you? Some of these queries might be getting bad estimates, but it’s not affecting...
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- 0.1 Prerequisites Before the Class (59 min)
- 0.2 How to Set Up Your Own Lab Server
- 0.4 The BE CREEPY Method (14m)
- 1.1 How SQL Server Builds Query Plans
- 1.2 Cardinality Estimation
- 1.3 CTEs, Temp Tables, and APPLY
- 1.5 Using sp_BlitzCache to Find the Right (Wrong) Queries
- 1.6 Lab 2: Analyzing a Running Workload
- 2.1 Tuning for SELECT * and Lots of Rows
- 2.2 User-Defined Functions
- 2.3 Lab 3: Changing Results and Parameters
- 2.4 Dynamic SQL Pro Tips
- 2.5 Lab 4: Advanced Rewrites
- 3.1 How Parallelism Balances Work Across Threads
- 3.2 Using Batches to Do a Lot of Work Without Blocking
- 3.3 Avoiding Deadlocks
- 3.4 SQL Server 2017 & 2019’s New Robots
- 4.1 Final Lab: The Setup
- 4.2 Final Lab: Index Tuning (33m)
- 4.3a Final Lab: usp_Q6627 (29m)
- 4.3b Final Lab: Logging sp_BlitzCache to a Table (5m)
- 4.3c Final Lab: usp_Q7521 (25m)
- 4.3d Final Lab: usp_Report3 (15m)
- 4.3e Final Lab: usp_FindRelatedPosts (24m)
- 4.3f Final Lab: usp_Q6627, Take 2 (34m)
- Bonus: Parameter Sniffing
- Bonus: Parameter Sniffing Lab