LyraLearn AI Learning Platform
Exams
← SQL Server Performance Tuning
Module 2

Reading an Execution Plan

Actual vs estimated plans, operators, and the handful of red flags that matter.

2.1
"Getting a Plan and Reading It Right to Left"
10 min
2.2
"Estimated vs Actual, and Why Actual Matters"
12 min
2.3
"Scans, Seeks, and Lookups"
12 min
2.4
"Join Types and What They Tell You"
11 min
2.5
"Warnings, Spills, and Memory Grants"
12 min