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 (Intermediate) Certificate

laussin Jean-marc Koffi-kouakou's HackerRank Certificates

Certificate: SQL (Intermediate)

skill

SQL (Intermediate)

It includes complex joins, unions, and sub-queries.

Standout from the crowd

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