The best way to learn is to do it yourself. SQLMaestros Lab Kits are a collection of Hands-On-Labs focused on Performance Tuning. Each kit contains multiple labs and each lab is divided into multiple exercises. Each lab guides you towards fixing a performance issue with step-by-step instructions, images, observations, explanations, and more. Each kit has a defined level of complexity ranging from 100 to 400 Well, this is the thing you need to get hands-on fixing real-world performance challenges in SQL Server. Before you buy, you can try! Become a free member and download a sample lab.