Connecting to Databases▲
<Unknown command>contentspageSQL Programming
To access a database with QSqlQuery or QSqlQueryModel, create and open one or more database connections. Database connections are normally identified by connection name, not by database name. You can have multiple connections to the same database. QSqlDatabase also supports the concept of a default connection, which is an unnamed connection. When calling QSqlQuery or QSqlQueryModel member functions that take a connection name argument, if you don't pass a connection name, the default connection will be used. Creating a default connection is convenient when your applicatio