What is SQL Star ?
Unlike LeetCode and similar platforms, SQL Star is built for practical, mobile-first SQL learning not just solving isolated problems. Practice real business scenarios, run SQL directly on your phone with a local SQLite playground, build custom tables, and learn from detailed solution breakdowns, thinking processes, common mistakes, and interview tips. It has a generous free tier works offline, requires no account, has no ads, and offers premium through a one-time purchase not a subscription.
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