Foundations of SQL: Querying and Analyzing Data

Data is the backbone of modern business decision-making, but accessing it requires knowing how to speak the language of databases. SQL is the essential skill that bridges the gap between raw data storage and meaningful analysis. This text-based course guides you from absolute beginner to confidently querying relational databases. You will learn how to extract, filter, and clean data to answer critical business questions and structure your queries for maximum clarity. What you'll learn: • Understand relational database concepts and basic SQL syntax • Filter and sort data to isolate the exact information you need • Join multiple tables using inner, left, and outer joins • Aggregate data using GROUP BY to calculate metrics and trends • Clean and format raw data within your queries for reporting • Write modern, readable queries using Common Table Expressions (CTEs) The course begins with foundational database concepts and core querying syntax, then progresses through complex joins, data aggregation, and modern query structuring techniques. You will practice through written scenarios that simulate real-world business requests. This course is designed for beginners with no prior programming or database experience who want to build a solid foundation in data analysis. Start reading today to unlock the power of database querying.