vaneeza-7 / hackerrank-sql-certification-solutions

HackerRank Beginner and Intermediate SQL Certification Solutions

HackerRank-SQL-Certification-Solutions

This repository contains the solutions for HackerRank Beginner and Intermediate SQL Certifications.

Beginner Certification

• Merit Rewards : Write a query to find employee Ids along with names of all employees who worked in the HR department who earned a bonus of 5000 dollars or more in the last quarter.
• Profitable Stocks: Write a query to find the stock codes of all the stocks which are profitable.

Intermediate Certification

• Products without sales: Write a query to find all the products that were not sold, ordering the results by SKU ascending.
• Business Expansion: Write a query to find all pairs of customers and agents who have been in contact more than once.

License

This project is licensed under the MIT License.