The Complete SQL Bootcamp 2020 is for SQL in 2025. It delivers exactly what the title promises: zero to hero for core SQL querying. However, after completing it, learners should take a supplementary module on window functions and query execution order to be fully job-ready.
SELECT c.first_name, c.last_name, SUM(p.amount) AS total_spent FROM customer c JOIN payment p ON c.customer_id = p.customer_id GROUP BY c.customer_id HAVING COUNT(p.rental_id) > 30 ORDER BY total_spent DESC; This illustrates the practical, business-oriented style of the course. Would you like a one-page summary or a comparison table with a more modern SQL course? The Complete SQL Bootcamp 2020 is for SQL in 2025