However, since eCrisper talks to the database through server scripts that you can modify, any database engine could be used. The recommended database engine is MySQL since it is included in most web hosting packages. A session may end because the user clicks on the Quit button, because the balance reaches 0, or because of an inactivity timeout. When the session ends, the database is updated with the new balance and the account can be used again in the future. When a user enters a valid username and password, the account balance is retrieved from the database and displayed in the form of a timer at the bottom of the screen. Having a central user database allows you to create accounts (username/password) that can be used to access any of your kiosks. If your current web hosting service includes MySQL and PHP, like most do, your database could be up and running in no time and at no extra cost.
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