The Premium version of CardExchange combines al functionality of the Entry and the Plus version plus much more. Considering the database you are able to design internal views/queries to retrieve information on the card from out of multiple table without doing it directly in the database. The Premium edition also allows you to buy and use seperated modules for databases, external functions and encoding.
With this version you can use the database modules for MS SQL Server, Oracle and MySQL and you can use the powerful database connection module that allows you to connect to unlimeted Database servers and retrieve information from several database servers to one card layout. It also allows you to write back information to all those connected database servers.
You can use the external functions module which allows you to use custom made DLL's inside CardExchange that can be used for converting special data or containing special functionality.
Encoding Mifare is easy done with the using the Mifare module in CardExchange Premium. Encoding 1K and 4K Mifare cards can be easily inline with this powerful module.