Hi, @sarai Yes QFile does: it's the file name. QSqlDatabase allows you to handle one or more database connections through multiple possible drivers at the same time in a easy to use fashion. The design avoids you to have to create a QSqlDatabase instance and setting it up again and again in each class/function of your application where you would like to run a query. That also means that you don't have to put your credentials everywhere in your application. That way, you can easily get the connection you need in a multi database setup.