--- title: "SQL Query Semantics - Reviews, Revenue and Downloads in Nigeria | Apple App Store" description: "SQL Query Semantics is an independent study app for understanding how SQL queries really work. Use it to build confidence with relational logic, joins, grouping, null handling, predicates, subqueries," --- # SQL Query Semantics — Nigeria > Practice Logic Offline ![SQL Query Semantics App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/e8/29/90/e8299090-9e50-aaf8-52d7-8ba8c7a48fc0/AppIcon-0-0-1x_U007epad-0-1-85-220.png/434x0w.png) **Developer:** [AFTW](https://apptail.io/developer/aftw-mgtqVb) **Category:** Education **Rating:** N/A (0 ratings) **Price:** Free **Bundle ID:** com.quizfactory.global.sqlquerysemantics **Store:** Apple App Store **Country:** Nigeria **Version:** 1.0 (released 2026-05-29) **Original Release:** 2026-05-30 **Languages:** English **App Store Link:** [Download on Apple App Store](https://apps.apple.com/ng/app/app/id6773601725) **AppTail Page:** [https://apptail.io/app/sql-query-semantics-PnTA/nigeria](https://apptail.io/app/sql-query-semantics-PnTA/nigeria) ## SQL Query Semantics Description SQL Query Semantics is an independent study app for understanding how SQL queries really work. Use it to build confidence with relational logic, joins, grouping, null handling, predicates, subqueries, and result-set reasoning. Designed for students, developers, data analysts, and interview candidates, the app includes 160 focused practice questions across Fundamentals, Practical Skills, Common Pitfalls, and Advanced Concepts. Features: - FSRS spaced-repetition intervals for smarter review - Weak-point heatmap to spot topics that need work - Daily challenge for consistent practice - Mock exams for timed review - Explanations for every question - Offline practice with no login required Practice offline, no login required. Independent study app for SQL Query Semantics practice. Not affiliated with, endorsed by, or sponsored by any company, certification body, exam operator, or vendor. All trademarks belong to their respective owners. ## SQL Query Semantics Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/f2/30/d1/f230d13d-35f8-3586-0d36-7801fa5cb4c0/01-home.png/1290x2796.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/39/84/71/3984717b-a897-7e8a-73cd-d1814719eaf0/02-practice.png/1290x2796.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/fa/28/c1/fa28c122-4fa3-6855-f1d4-b586615c303f/03-exam.png/1290x2796.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/9e/bc/bd/9ebcbd3c-1d1e-458e-eba3-4641a7530626/04-review.png/1290x2796.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/fc/fb/3a/fcfb3ac0-624b-788d-3ec2-2eecf8318eba/05-stats.png/1290x2796.png) ## Apps Similar to SQL Query Semantics - [Interview Master: Data Science](https://apptail.io/app/interview-master-data-science-qHuo/nigeria) - [Learn SQL - Database & Queries](https://apptail.io/app/learn-sql-database-queries-hFqv/nigeria) - [Learning Python DLA](https://apptail.io/app/learning-python-dla-ycGw/nigeria) - [Muninn - Learn Icelandic](https://apptail.io/app/muninn-learn-icelandic-Odwx/nigeria) - [Query Dojo: SQL Practice](https://apptail.io/app/query-dojo-sql-practice-TiCy/nigeria) - [Civics Test Prep 2026](https://apptail.io/app/civics-test-prep-2026-ycOy/nigeria) - [Python Data Structures & Algo](https://apptail.io/app/python-data-structures-algo-Ysbz/nigeria) - [PaiNotes: AI Notes,Canvas,PDF](https://apptail.io/app/painotes-ai-notescanvaspdf-SsYz/nigeria) - [サクサク学べるSQL入門！ - Let Us SQL](https://apptail.io/app/sql-let-us-sql-ldwA/nigeria) - [Quarry: SQL & Python Prep](https://apptail.io/app/quarry-sql-python-prep-umTA/nigeria) ## SQL Query Semantics Available In - [Bulgaria](https://apptail.io/app/sql-query-semantics-PnTA/bulgaria) - [Belize](https://apptail.io/app/sql-query-semantics-PnTA/belize) - [Ecuador](https://apptail.io/app/sql-query-semantics-PnTA/ecuador) - [Estonia](https://apptail.io/app/sql-query-semantics-PnTA/estonia) - [Egypt](https://apptail.io/app/sql-query-semantics-PnTA/egypt) - [United Kingdom](https://apptail.io/app/sql-query-semantics-PnTA/united-kingdom) - [Grenada](https://apptail.io/app/sql-query-semantics-PnTA/grenada) - [Croatia](https://apptail.io/app/sql-query-semantics-PnTA/croatia) - [Iceland](https://apptail.io/app/sql-query-semantics-PnTA/iceland) - [Lithuania](https://apptail.io/app/sql-query-semantics-PnTA/lithuania) - [Latvia](https://apptail.io/app/sql-query-semantics-PnTA/latvia) - [Malta](https://apptail.io/app/sql-query-semantics-PnTA/malta) - [Nigeria](https://apptail.io/app/sql-query-semantics-PnTA/nigeria) - [Oman](https://apptail.io/app/sql-query-semantics-PnTA/oman) - [United States](https://apptail.io/app/sql-query-semantics-PnTA/united-states) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. 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