Comparison

Database Management System MCS vs Database Keys and Constraints

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Database Management System MCS

Practice over 2200 database management system multiple-choice questions with this comprehensive quiz app. It covers fundamental and advanced computer science topics, offering self-assessment tests and a quick study guide for students and beginners.

Highlights
  • 2200+ DBMS quiz MCQs
  • Covers 20+ textbook chapters
  • Self-assessment tests
  • Answer key provided
  • Quick study guide
  • Online degree program support
Features
Read full description

Database management system quiz app with free download to install is a complete DBMS app (iOS) to practice 2200+ DBMS quiz based MCQs. "Database Management System Quiz" app covers trivia questions and answers with MCS, MSCS computer science MCQs to solve self-assessment tests. "Database Management System Notes" learning app worksheets with answers key helps to practice test questions for online homeschooling exam on iOS smartphones. Complete database management system quiz app for online degree programs covers basic and advanced computer science course with trivia quizzes. "Database Management System Revision" app is a quick study guide for students, beginners' learning and home-schooling with Database management system textbook topics as: Chapter 1: Introduction to DBMS quiz Chapter 2: Introduction to RDBMS quiz Chapter 3: Introduction to SQL quiz Chapter 4: Relational database design quiz Chapter 5: Query processing quiz Chapter 6: SQL concepts and queries quiz Chapter 7: Database design and ER model quiz Chapter 8: Storage and file structure quiz Chapter 9: Indexing and hashing quiz Chapter 10: Database system architectures quiz Chapter 11: Overview of database management quiz Chapter 12: SQL queries quiz Chapter 13: Advanced SQL quiz Chapter 14: Database recovery system quiz Chapter 15: Formal relational query languages quiz Chapter 16: Application design and development quiz Chapter 17: Concurrency control quiz Chapter 18: Database transactions quiz Chapter 19: Query optimization quiz Chapter 20: Intermediate SQL quiz "Database Management System MCQ" app helps to solve computer science multiple choice questions from every chapter, comparing with answer key after every 10 random trivia quiz questions. Looking forward to provide best user experience through database management system application!

About

Database Keys and Constraints

Features
Read full description

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.

Screenshots

Database Management System MCS4 screens
Database Keys and Constraints4 screens

Verdict

The call

The clearest difference is in-app purchases: Database Keys and Constraints at none against Database Management System MCS's 7. Database Keys and Constraints also leads on ads (none vs shown). Database Management System MCS's advantage is iOS requirement (12.0 vs 15.1). On price and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Database Management System MCS sells 7 in-app purchases, starting at $4.99 per month. Database Keys and Constraints asks for nothing beyond the download.

Scorecard3 real differences · 6 level
Database Management System MCS versus Database Keys and Constraints: the parameters behind the verdict, then further details
ParameterDatabase Management System MCSDatabase Keys and Constraints
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 3 weeks—
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better15.1
Further details — not scored
Size68 MB38 MB
Age rating4+4+
DeveloperArshad IqbalAFTW LLC

In-app purchases

7 purchases

Database Management System MCS

Subscriptions4
  • 1 Month Package3 Days trial$4.991 Month
  • 3 Months Package7 Days trial$9.993 Months
  • 6 Months Package3 Days trial$14.996 Months
Show 1 more
  • 1 Year Package7 Days trial$19.991 Year
One-time3
  • 1500 Coins$0.99
  • 3500 Coins$1.99
  • 6000 Coins$2.99
None

Database Keys and Constraints

No in-app purchases

Questions

Is Database Management System MCS free?
Database Management System MCS is free to download, with in-app purchases available.
Is Database Keys and Constraints free?
Database Keys and Constraints is free to download, with no in-app purchases.
Do Database Management System MCS or Database Keys and Constraints have ads?
Database Management System MCS shows ads; Database Keys and Constraints does not.

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