SQL Projects: Real-World Database Analysis and Case Studies

To become a confident data professional, you must move beyond simple SELECT statements and learn to solve actual business problems. This text-based course guides you through realistic database scenarios, helping you transition from basic SQL syntax to writing structured, analytical queries that drive business decisions. What you'll learn: - Understand core database concepts, relational schemas, and essential SQL terminology. - Write complex joins and subqueries to combine data from multiple tables. - Apply Common Table Expressions (CTEs) to organize and simplify analytical queries. - Use powerful window functions to calculate running totals, rankings, and moving averages. - Analyze business performance metrics like user retention, sales trends, and database performance. - Practice query formatting and basic optimization techniques to ensure your database searches run efficiently. You will start with fundamental database concepts and terminology before diving into structured case studies. Each chapter presents a realistic business scenario, walking you through the problem-solving process with clear, written explanations and step-by-step code analysis. This course is perfect for beginners who know basic SQL syntax and want to build practical data analysis skills. No prior project experience is required. Start reading today to build your database analysis skills.