We use cookies to ensure you have the best browsing experience on our website. Please read our cookie policy for more information about how we use cookies.
  1. Certification Tests

SQL (Basic) Certificate

yl3602@columbia.edu's HackerRank Certificates

Certificate: SQL (Basic)

skill

SQL (Basic)

It includes simple queries, relationships, and aggregators.

Standout from the crowd

Take the HackerRank Skills Certification Test and make your profile stand out to employers and peers
Learn More