This workbook gives you 100 hands-on exercises, from your first SELECT to window functions and recursive queries. You practice on one small online shop database, so every exercise builds on what you already know. No experience needed.
What is inside
100 exercises sorted by chapter and by Easy, Medium and HardA short, plain-English lesson before every chapterA hint for every exercise, so you are never stuck for longComplete answers, with the real result of every queryPractice with SELECT, WHERE, ORDER BY, GROUP BY, HAVING, JOINs, subqueries, CASE, dates and text, window functions and CTEsA ready-to-run sample database and a cheat sheet for SQLite, MySQL, PostgreSQL and SQL ServerEvery query in this book was actually run, and every result you see is real output.
Great for students, job seekers preparing for data and software interviews, analysts moving beyond spreadsheets, and anyone who wants to practice SQL.