SQL Gym
Android app by Mkfnx. Education · Mkfnx
- Store rating
- Unknown
- Store rating count
- Unknown
- Download price
- Free to download
- In-app purchases
- Not listed in captured metadata
- Version
- 1.0.0
- Listing last refreshed
- 2026-09-13
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Store description excerpt
Want to learn SQL but tired of theoretical tutorials? SQL Gym lets you practice from the very first minute. Write real queries against a fictitious store database (customers, products, and orders) and receive immediate validation. No servers, no registration, no internet connection. How it works You progress through a structured learning path in 5 modules: • SELECT — retrieves the data you need • WHERE — filters rows with conditions • ORDER BY — sorts your results • GROUP BY — aggregates and summarizes data • JOIN — combines information from multiple tables Each exercise presents you with a real business problem: "What are the 5 best-selling products?" or "Which customers have placed more than 3 orders?" You write the query, the app executes it and tells you if it's correct by comparing the results — not the syntax. Key Features ✓ 20 progressive exercises, organized by concept ✓ Results-based validation: any equivalent query is accepted ✓ Sandbox mode for free database exploration ✓ Integrated schema explorer: query tables and columns at any time ✓ Progression system with gradual exercise unlocking ✓ Works 100% offline — everything runs on your device ✓ No account, no subscription, no ads Who is it for? For students learning SQL, developers who want to review concepts, and anyone who prefers learning by doing rather than just reading. All data stays on your device. The app does not transmit any information to external servers.
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