SQL skills are essential for high-demand roles like data analyst, business analyst, data scientist, software developer, and database administrator. Mastering SQL enables professionals to efficiently ...

HackerRank is a tech company that focuses on competitive programming challenges for both consumers and businesses, where developers compete by trying to program according to provided specifications.

SELECT ei.employee_ID, ei.name FROM employee_information ei JOIN last_quarter_bonus b ON b.employee_ID = ei.employee_ID WHERE ei.division LIKE 'HR' AND b.bonus >= 5000; This is one question solution ...

Here are the 4 questions asked in HackerRank SQL Basic Certification Exam, from these 2 will be available in one attempt. SELECT ei.employee_ID, ei.name FROM employee_information ei JOIN ...