We all have “that index script” – a DMV script we cobbled together from stuff all over. Problem is, there are huge issues with the index usage DMVs and missing index DMVs, and they don’t tell you quite what you’re expecting. Let’s do a series of demos showing the gotchas with sys.dm_db_index_usage_stats and sys.dm_db_index_operational_stats and…
1.3 Why Index Read & Write Numbers Are Wrong
We all have “that index script” – a DMV script we cobbled together from stuff all over. Problem is, there are huge issues with the index usage DMVs and missing index DMVs, and they don’t tell you quite what you’re expecting. Let’s do a series of demos showing the gotchas with sys.dm_db_index_usage_stats and sys.dm_db_index_operational_stats and…
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- 0.1 Prerequisites Before the Class (~4 hours)
- 0.2 Download the Slides
- 1.2 The D.E.A.T.H. Method: Dedupe and Eliminate
- 1.4 Lab 1 Setup: Dedupe and Eliminate
- 1.4b Lab 1: Dedupe and Eliminate – Brent Does It
- 1.5 The D.E.A.T.H. Method: Tuning Indexes for Specific Queries
- 1.6 Foreign Key and Check Constraints
- 1.7 Lab 2 Setup: Tuning Indexes for Specific Queries
- 1.8 Lab 2: Tuning Indexes for Specific Queries – Brent Does It
- 2.1 Adding Indexes with the DMVs
- 2.2 Tuning to Avoid Key Lookups and Residual Predicates
- 2.3 Lab 3 Setup: Adding Indexes with Clippy and the DMVs
- 2.3b Lab 3: Adding Indexes with Clippy and the DMVs – Brent Does It
- 2.4 The D.E.A.T.H. Method – Heaps and Clustered Indexes
- 2.5 Tuning Indexes to Avoid Blocking
- 2.6 Lab 4 Setup: Solving Blocking with Indexes
- 2.6 Lab 4: Solving Blocking with Indexes – Brent Does It
- 3.1 Filtered Indexes, Indexed Views, and Computed Columns
- 3.2 Lab 5 Setup: Leveraging Artisanal Indexes
- 3.2b Lab 5: Leveraging Artisanal Indexes – Brent Does It
- 3.3 Lab 6 Setup and Final Lessons
- 3.4 Lab 6: Doing the D.E.A.
- 3.5 Lab 6: Doing the D.E.A.T.
- About the Lab Exercises
- Bonus: Storytelling Time
- Bonus: Tips from the Index Sommelier