This program can be used for different operations with coupons. For using all the functions first you need to be logged in. There are 3 options to log in - as administrator, as company or as an customer. Administrator can add, remove and change all the dataof companies, customers and coupons in the DataBase. Company can add, remove and update its coupons in the DataBase and recieve all the information of the coupons. Customer can purchase coupons, can find coupons of some price and/or type. Also there is a system in this project that check's the date of all coupon and remove's it from the DataBase if today the end-date of some coupon is already over.