We are happy to bring our sincere congratulations with upcoming Christmas and New Year holidays! It’s time for miracles and gifts, so try yourself at Devart’s Christmas Quest to get winter holiday discounts.
Help Santa to count a salary for his Elves so that they deliver other presents. With this purpose, Santa uses SQL query, but he is not so good in SQL. Please, help him to build the proper query! Santa Claus is about to pay generously to everyone who helps him!
Learn more about Devart’s Christmas Quest at https://www.devart.com/christmas-quest/