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Ace The SQL Interview

Practice SQL Interview questions asked by top tech companies FOR FREE on DataLemur. Made by Nick Singh, Best-Selling Author of Ace the Data Science Interview

About DataLemur & Nick Singh

Nick Singh with book

Hi, I’m Nick Singh! Before I made DataLemur, I used to write SQL queries and run A/B tests all day at Facebook, and before that, wrote Python on Google Nest's Data Infrastructure Team. I know first-hand how difficult Data Science, Data Analyst, & Data Engineering interviews can be.

While my best-selling book, Ace the Data Science Interview, has successfully helped 16,000+ readers prepare for the Statistics, ML, and Business-Sense portions of data interviews, readers kept asking for a more interactive way to practice the SQL questions from the book.

That's why I made DataLemur, a free SQL interview platform for the data community!

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