A structured SQL practice repository for HackerRank SQL challenges and SQL certification preparation. This repository documents my SQL learning process through clean solution files, challenge tracking ...
Julia conducted a 15 days of learning SQL contest. The start date of the contest was *March 01, 2016* and the end date was *March 15, 2016*. Write a query to print total number of unique hackers who ...
Hey everyone, I am glad to share that I have successfully cleared the HackerRank SQL Certification Test for SQL (Basic) and SQL (Intermediate). Checkout the Intermediate Certificate on the below link ...