Got a confidential news tip? We want to hear from you. Sign up for free newsletters and get more CNBC delivered to your inbox Get this delivered to your inbox, and ...

This page contains solutions for all HackerRank SQL challenges which were passed successfully. There can be multiple ways of approaching solution to any problem. Please find the provided solutions for ...

-- 11. Calculate total revenue (SUM of Sale Price). select sum (Sale_Price) as TotalRevenue from [dbo].[pc_data ]; -- 12. Calculate total profit (SUM of Sale Price ...