SQLx vs Abstract Reasoning

SQLX is the most hands-on way to learn SQL on iPhone. Whether you're starting from scratch or preparing for your next job interview, SQLX takes you from the basics all the way to advanced techniques — step by step. LEARN BY DOING Every lesson ends with a real SQL challenge. Write actual queries, hit Run, and see instant results. No passive theory — just you and the database. 12 MODULES, FULLY STRUCTURED Each module builds on the last, covering everything you need: · SELECT & Filtering (WHERE, ORDER BY, LIMIT) · INSERT, UPDATE, DELETE · Schema Design (CREATE / DROP TABLE) · JOINs (INNER, LEFT, RIGHT) · GROUP BY & Aggregations · Subqueries & Correlated Queries · Common Table Expressions (CTEs) · CASE WHEN & Conditional Logic · UNION & Set Operations · Window Functions (ROW_NUMBER, RANK, AVG OVER) LIVE SQL LAB Practice freely in a built-in SQL playground. Choose from ready-made sample databases — e-commerce, HR, construction — or build your own schema from scratch and run any query you like. 6 CAREER PATHS Pick a structured path tailored to your goal: · Data Analyst (8 hrs) · BI Analyst (12 hrs) · Backend Developer (14 hrs) · Data Engineer (15 hrs) · Product Analyst (10 hrs) · SQL Interview Prep (16 hrs) EARN AS YOU LEARN Stay motivated with daily streaks, XP points, and 17 unlockable badges. Finish certification exams to earn verifiable certificates at Beginner, Intermediate, and Senior levels. WORKS OFFLINE All content is built into the app — no internet required. Learn on the subway, on a flight, anywhere. PRIVATE BY DESIGN No ads. No tracking. Your progress stays on your device and syncs privately through iCloud. Download SQLX and write your first query today.

Abstract Reasoning is a focused practice app for improving pattern recognition and non-verbal reasoning skills. Work through timed abstract reasoning questions where you compare sets of shapes, identify hidden rules, and decide whether each test item belongs to Set A, Set B, or Neither. The app is designed for quick, repeatable practice with a clean interface and immediate gameplay. Features: • Timed abstract reasoning tests • Set A, Set B, and Neither question format • Shape-based non-verbal reasoning practice • Simple, distraction-free design • Score summary after each attempt • Review of incorrect answers Ideal for anyone preparing for aptitude tests, psychometric assessments, entrance exams, or simply looking to sharpen logical and visual reasoning skills.