Application for game rental with user control access in the MAC model (mandatory access control) .
With confidence levels: 'jawny' ,' poufny', 'tajny', 'ściśle tajny'. ( 'public', 'confidential', 'secret', 'top secret'). Roles: 'klient' , 'kasjerGlowny', 'kasjer', 'admin' ('customer', 'mainCashier', 'cashier', 'admin'). And with connecting to the MS SQL database and exchanging data with it through the LINQ tool.