SQL Mastery for Data Analysts: Complete Course Package

Master PostgreSQL and SQL with this comprehensive package for data analysts. Learn setup, database design, advanced queries (joins, subqueries, window functions, CTEs), and performance tuning. Apply your skills through real-world case studies, optimising queries, and structuring databases effectively. Included: a 13-page PDF covering everything from database creation to advanced SQL techniques, a PowerPoint guide with key concepts and queries, and a detailed YouTube tutorial for hands-on learning.