Kickstart Data Science vs Database Keys and Constraints

Softweb would like to give headstart to Machine Learning enthusiasts and hands on with few basics with sample data sets. This app is mainly for education purpose. So if you are a novice in the field of data science then this is the right app that you can have in your phone.

Database Keys and Constraints is an independent study app for learners who want focused practice on relational database design rules, SQL integrity concepts, and exam-style reasoning. Use it to review fundamentals, build practical skills, avoid common pitfalls, and explore advanced concepts across 160 questions. Every question includes an explanation, so you can learn why an answer is right and where mistakes usually happen. Features: - 160 questions on keys, constraints, relationships, and design logic - Spaced repetition using FSRS intervals - Weak-point heatmap to target fragile areas - Daily challenge for steady review - Mock exams for timed practice - Clear explanations for every question - Offline practice, no login required Built for students, interview preparation, database course review, and anyone strengthening SQL schema design knowledge. Independent study app for Database Keys and Constraints 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.