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Freemium Resources (7)

• DataLemur Freemium
  • SQL interview questions from top tech companies with solutions.
• EverSQL Freemium
  • AI-powered SQL query optimization tool that automatically analyzes and tunes slow SQL queries.
• HackerRank - SQL Freemium
  • SQL practice problems from basic to advanced.
• LearnSQL.com Freemium
  • Interactive SQL learning platform with step-by-step courses and real-time feedback across databases.
• LeetCode - SQL Freemium
  • SQL interview problems and solutions.
• SQL Academy Freemium
  • Learn SQL with interactive lessons and 130+ practice tasks with MySQL and PostgreSQL.
• StrataScratch Freemium
  • Real SQL and Python interview questions from FAANG companies.