Re vs SupaSQL

Re:Mind helps you make better decisions by putting powerful mental models at your fingertips. Discover proven frameworks from the world's best thinkers to solve problems, enhance creativity, and see the world in new ways. Key features: • Build your mental toolkit with our carefully curated collection of mental models • Learn when and how to apply each model through practical examples • Save your favorite models for quick reference • Get a fresh perspective with our daily widget that surfaces new mental models • Search across disciplines including psychology, economics, science, and philosophy • Customize your experience with dark and light modes Whether you're a student, professional, or lifelong learner, Re:Mind helps you develop clearer thinking and better decision-making skills. Each mental model includes detailed explanations of why, when, and how to use it, along with common pitfalls to avoid. Start expanding your mental toolkit today and join others who are upgrading their thinking one model at a time.

Learn SQL by writing real queries, not by choosing from multiple-choice answers. SupaSQL gives you realistic datasets, practical challenges, a mobile SQL editor, and instant feedback based on your actual query results. Progress from foundational SELECT statements to advanced analytics, window functions, cohorts, retention, funnels, and data-engineering concepts. LEARN BY DOING • Write and run real PostgreSQL queries • Practice across 13 realistic datasets • Work through more than 300 curated challenges • Follow a guided path from beginner to expert • Receive instant, result-based feedback • Build streaks, earn XP, and track skill proficiency • Explore table schemas directly inside each challenge • Get progressive help from the AI tutor • Prepare for SQL interviews with role-specific practice PERSONALIZED PRACTICE Choose a dataset, difficulty, and SQL skill to practice. SupaSQL tracks your progress and helps you focus on the concepts that need the most attention. INTERVIEW PREPARATION Practice realistic SQL interviews for data analyst, data scientist, data engineer, analytics engineer, BI analyst, backend engineer, and related roles. Receive follow-up questions and a detailed performance report. SUPASQL PRO SupaSQL includes free learning content. SupaSQL Pro unlocks all datasets, the advanced and expert curriculum, a larger AI tutor allowance, personalized challenges, and Interview Mode. Subscriptions renew automatically unless cancelled through your App Store account. Available plans and localized prices are shown before purchase. Privacy Policy: https://supasql.utivilla.com/privacy Terms of Use: https://supasql.utivilla.com/terms Support: https://supasql.utivilla.com/support