In this introductory session, attendees will learn the fundamentals of Query Store in MSSQL, tailored for junior/accidental DBA's. We'll discuss its purpose, architecture, and practical applications, participants will learn how Query Store serves as a powerful tool for monitoring, analyzing, and optimizing query performance. Through clear explanations and demo's, this session equips attendees with essential knowledge to use Query Store effectively, enabling them to identify performance issues, analyze query execution plans, and optimize performance.