When you’re trying to cut indexes down to get closer to 5 & 5, sooner or later you’re going to ask, “Should I be indexing my foreign keys?” It’s a religious war: should you define relationships or constraints in the database? What performance difference does it make, good or bad? In this lecture, you’ll learn…
1.6 Foreign Key and Check Constraints
When you’re trying to cut indexes down to get closer to 5 & 5, sooner or later you’re going to ask, “Should I be indexing my foreign keys?” It’s a religious war: should you define relationships or constraints in the database? What performance difference does it make, good or bad? In this lecture, you’ll learn…
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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
- 1.3 Why Index Read & Write Numbers Are Wrong
- 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
- 1.7 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