Learn SQL: SQL Case Files
Practice Queries. Find Clues.
About
Learn SQL through interactive case files where you write real queries to uncover evidence. Progress from basic to advanced concepts with 100 authored leads and 10 complete investigations. Build practical SQL judgment by turning case objectives into queries and refining your approach.
What's New in Learn SQL
1.0
August 25, 2026
Subscriptions & In-App Purchases
$5.00
Support SQL Case Files
A one-time tip supporting new cases.
FAQ
What is Learn SQL: SQL Case Files?
Learn SQL: SQL Case Files is an educational app designed to teach SQL through interactive case files. Users solve problems by writing and executing real SQL queries against provided datasets.
How does Learn SQL: SQL Case Files teach SQL?
It uses a unique case-solving approach where you read a brief, inspect a database schema, write a query, and analyze the results to find clues. This method helps build practical SQL judgment by focusing on turning objectives into queries and interpreting data.
Is the entire curriculum of Learn SQL: SQL Case Files free?
Yes, all 100 authored leads and the complete SQL learning route are free. There is no subscription required to access the core curriculum. An optional one-time Supporter purchase is available to fund future investigations.
What SQL concepts does Learn SQL: SQL Case Files cover?
The app covers a wide range of SQL concepts, from foundational elements like SELECT, WHERE, and LIMIT, to more advanced topics such as GROUP BY, JOINs, subqueries, CASE expressions, window functions, and common table expressions.
Can I start Learn SQL: SQL Case Files if I'm new to SQL?
Absolutely. You can begin with Case 001 to learn the query desk step by step. If you're already comfortable with the basics, you can choose a later investigation that presents a harder set of evidence.
Does Learn SQL: SQL Case Files have ads?
No, Learn SQL: SQL Case Files does not contain advertisements. The app is free to use with an optional in-app purchase for supporters.
What devices are supported by Learn SQL: SQL Case Files?
Learn SQL: SQL Case Files is supported on iPhone and iPod devices. It is designed for iOS users looking for a mobile SQL learning experience.
How often is Learn SQL: SQL Case Files updated?
The app was last updated on August 25, 2026, with version 1.0. Future investigations are planned, suggesting ongoing development and updates from the developer, Centum Studios Ltd.
