Advanced SQL for Data Analytics: Advanced Techniques Every Data Analyst Should Know

The article covers advanced SQL techniques essential for data analysts, including Joins, Window Functions, Common Table Expressions (CTEs), Subqueries, and Stored Procedures. It explains how these techniques go beyond basic SQL operations to extract deeper insights, handle large datasets, and solve complex business challenges. Practical examples using products and purchases tables illustrate how different types of SQL Joins work in real-world analytics scenarios.