What you'll learn

Performance issues in SQL Server often surface at the worst times, such as month-end and other busy periods. Without clear historical context, it’s easy to chase the wrong problem or “fix” something that doesn’t stick. In this course, Advanced Query Performance Management in SQL Server 2025, you’ll gain the ability to stabilize and troubleshoot query performance using Query Store workflows. First, you’ll explore how to configure Query Store for production monitoring and capture a baseline to compare against later. Next, you’ll discover how to use Query Store to pinpoint your slowest queries and apply fixes. Also, you’ll diagnose performance regressions after software deployments or database configuration changes. Finally, you’ll learn to distinguish between query-level problems and system bottlenecks, and apply a repeatable performance checklist for safe rollouts and incident response. When you’re finished with this course, you’ll have the skills and knowledge of Query Store performance management in SQL Server 2025 needed to keep query performance steady and respond quickly when it drifts.