The Complete SQL Bootcamp — Review

Our review

The Complete SQL Bootcamp is the most efficient nine hours in the entire data-learning catalogue. SQL is the skill that appears in nearly every analyst and data-scientist job description, it changes little year to year, and Jose Portilla teaches it here with the same calm clarity that made his Python course a phenomenon. If you learn only one thing before applying for data jobs, make it this.

The course is tightly scoped and all the better for it. It starts with SELECT and filtering, builds through aggregate functions, GROUP BY, the different JOIN types and subqueries, then covers creating tables, constraints and conditional logic. Every concept is paired with an exercise against a real PostgreSQL database, and there's a challenge assessment at the end of each section so you actually practise writing queries rather than watching them.

This is ideal for aspiring analysts and data scientists, and honestly for anyone whose job touches a database and who is tired of asking someone else to pull numbers. Because SQL has such a gentle learning curve and such high leverage, this is the course we most often tell beginners to do first — it delivers a usable, employable skill in a weekend.

The honest limitation: it is deliberately narrow. It teaches you to query and manipulate data expertly, but it is not a database-administration course — there's little on indexing strategy, performance tuning or the operational side. It uses PostgreSQL specifically, though the SQL you learn transfers almost entirely to MySQL, SQL Server and BigQuery with minor syntax tweaks.

The obvious next step is Portilla's Python Bootcamp — same instructor, and together SQL plus Python cover the two languages a working analyst uses every day. If you want a fuller, credentialed path around this skill, the free-to-audit Google Data Analytics Certificate teaches SQL in the context of the whole analytics workflow, while this course goes deeper on the querying itself.

A tip that pays off immediately: the moment you finish, apply SQL to a dataset you actually care about — your own spreadsheet export, a public dataset, your side project's database. The skill cements roughly ten times faster when you're answering a question you're genuinely curious about than when you're doing course exercises, and you'll have a real query or two to show in an interview rather than only the completion certificate.

Verdict: at $12.99 this is arguably the highest return-on-time purchase on the whole site — a complete, practical SQL education for the price of a sandwich, in a skill every data employer expects. Buy it on sale and do it before anything else data-related. Our editorial score: 9/10.