SQL for Data Analytics: From Basic Queries to Window Functions

Relational databases are the backbone of modern data analytics and data engineering. Mastering SQL enables you to extract, transform, and analyze data efficiently to answer key business questions. This text-based course provides a structured approach to learning SQL, helping you transition from basic queries to sophisticated data analysis techniques. What you'll learn: • Understand foundational database concepts, table relationships, and standard data types. • Write basic SELECT statements with robust filtering, sorting, and conditional logic. • Combine datasets using INNER, LEFT, RIGHT, and FULL JOIN operations. • Summarize data using aggregate functions alongside GROUP BY and HAVING clauses. • Structure complex queries using Subqueries and Common Table Expressions (CTEs). • Utilize window functions to calculate running totals, rankings, and lead/lag analysis. The course begins with essential database terminology and core syntax before guiding you through data aggregation, table joins, and advanced analytical patterns. Designed specifically for beginners, no prior technical or programming experience is required. Begin your journey toward confident data analysis today.