Practical SQL for Data Analysis: Scenario-Based Query Practice

Traditional SQL theory can feel abstract and disconnected from actual business needs. To truly understand data analysis, you need to work with the types of relational databases used by real companies every day. This text-based course guides you through practical database querying using realistic datasets featuring users, orders, and products. By reading clear explanations and working through progressive scenario-based exercises, you will transform from a database novice into a confident analyst capable of extracting meaningful business insights. What you'll learn: Understand core relational database concepts and basic SQL syntax; Retrieve and filter specific records using SELECT, WHERE, and logical operators; Aggregate business metrics using GROUP BY and summary functions to track sales performance; Combine multiple data tables using various JOIN techniques to connect customer and order histories; Write modern Common Table Expressions (CTEs) to organize complex, multi-step queries; Apply window functions to perform advanced analytical tasks like running totals and rankings. You will start with fundamental database terms and basic retrieval syntax before moving step-by-step into complex multi-table joins and modern analytical queries. Each concept is reinforced with realistic business scenarios that mirror actual workplace challenges. This course is designed for absolute beginners, aspiring data analysts, and business professionals with no prior programming or database experience. Step into the role of a data analyst and start querying your way to better business decisions today.