About this app
Database Design Basics is an independent study app for building real database design skills through focused practice. It includes 160 explanation-rich questions across Fundamentals, Practical Skills, Common Pitfalls, and Advanced Concepts. Whether you are a student, junior developer, analyst, or career switcher, this app helps you learn core concepts, avoid common mistakes, and retain what matters. - 160 curated practice questions with clear explanations - Spaced repetition powered by FSRS intervals - Weak-point heatmap to identify and fix gaps - Daily challenge to build consistent study habits - Mock exams for timed self-assessment - Offline practice so you can study anywhere Independent study app for Database Design Basics practice. Not affiliated with, endorsed by, or sponsored by any company, certification body, exam operator, or vendor. All trademarks belong to their respective owners. Practice offline, no login required.
Latest release
What’s New
Minor improvements and bug fixes.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 15, 2026 · 1:24 PM Free