Master SQL with bite-sized lessons and real interview questions. Practice writing and debugging queries on your phone, with an AI tutor to guide you. Earn certificates upon course completion.
1.11
October 31, 2026
New course: Real-World SQL Six modules built on messy, real-looking data: missing values, duplicates, joins that count things twice. These are the traps that catch people at work and in interviews. Finish it and get its own certificate, plus new badges for each module and for completing the course. Lessons Now easier to read: one text size, centred short screens, and tables shown with their intro.
MoreEvery module unlocked. Unlimited AI tutor.
Thank you! Pulling data without being a DBA is exactly the situation I had in mind while building this. Hope it keeps being useful.
MintQuery is an educational app designed to help users learn and practice SQL. It offers daily lessons, interactive exercises, and real interview questions from major tech companies.
Each lesson focuses on a single SQL concept, demonstrating queries row by row. Users then practice these concepts immediately through block-based input or by typing queries themselves.
MintQuery offers two courses: 'SQL Fundamentals,' covering basic to advanced SELECT statements and window functions, and 'Real-World SQL,' focusing on handling messy data and complex joins.
No, MintQuery is ad-free. The developers emphasize a learning environment free from distractions like ads, timers, or energy systems.
MintQuery is free to use, with access to the daily question and initial modules of both courses. Premium unlocks all content and unlimited AI tutor access via monthly or annual subscriptions.
Yes, MintQuery provides a shareable certificate upon completion of each course, allowing users to showcase their acquired SQL skills.
MintQuery is available on iPhone and iPod. Your progress is saved across devices, including Android and the web, ensuring a seamless learning experience.
The app was last updated on October 31, 2026, indicating regular maintenance and potential feature additions. The latest version is 1.11.
