Learn SQL in One Week

Are you tired of staring at endless spreadsheets, unable to extract the meaningful insights you know are hidden inside your data?

SQL is the essential language of data, and this hands-on, practical guide cuts through the heavy theory to deliver a working foundation in just seven focused days. Authored by Max Kuester, Learn SQL in One Week is designed to move you from complete beginner to confidently writing your own queries and generating real-world reports.

This book builds a practical SQL toolkit, using a unique day-by-day structure so you can apply what you learn immediately to realistic UK-based datasets. Stop relying on tools that hide what’s really happening and start commanding your data.

By following the daily, chapter-based structure, you will quickly acquire the most valuable data skills, including:

• Querying Fundamentals: Writing foundational SELECT queries, filtering, and sorting data with WHERE and ORDER BY.
• Reporting: Mastering Aggregation functions (COUNT, SUM, AVG) and GROUP BY to summarize performance and track key metrics.
• Data Integration: Connecting multiple tables using INNER JOIN, LEFT JOIN, and RIGHT JOIN for deep analyses like Customer Lifetime Value.
• Advanced Analytics: Applying Subqueries and powerful Window Functions (RANK, SUM OVER PARTITION) to calculate running totals and precise rankings.
• Production Readiness: Learning safe data modification (INSERT, UPDATE, DELETE), database design principles, and essential query optimization techniques.
• Final Projects: Constructing end-to-end analytics reports and dashboard queries using CTEs (WITH Clauses).
  The data opportunity is now. Get your copy of Learn SQL in One Week: The Complete Beginner's Guide to Querying Databases and Analyzing Data today and transform your career by mastering the world's most critical data language in one week