Apps similar to SQL Noir include LeetCode, which has a free version. Other options are HackerRank, InterviewBit, DataScienceHired and SQL Quest. In total there are six Code Learning Services like SQL Noir for the web.
LeetCode is a platform for learning and improving coding skills with the goal of being fully prepared for programming interviews. Choose problems to solve from categories such as System Design, Algorithms and Database, join code contests and engage in mock interviews.
United States
A fun social platform for hackers to solve interesting puzzles, build quick hacks, code game bots and collaborate to solve real-world challenges.
United States
Learn and Practice on almost all coding interview questions asked historically and get referred to the best tech companies.
Practice SQL in the browser with 250+ challenges and an adaptive coach that tracks your weak skills and picks your next step.
DataLemur is a FREE SQL & Data Science Interview platform, used by thousands of Data Analysts & Data Scientists to prep for their technical interviews at companies like Amazon, Google, and Microsoft.
India
