qt setConnectionParameter

The function setConnectionParameter() in Qt is used to set the value of a specific parameter for a connection. The function takes two parameters: the connection name and the parameter name. The parameter name is typically one of the following:

• "driver": the name of the database driver to use
• "hostname": the hostname of the database server
• "databaseName": the name of the database to connect to
• "userName": the username to use when connecting
• "password": the password to use when connecting

For example, to set the hostname parameter for a connection named "myConnection" to "localhost", the following code could be used:

QSqlDatabase db = QSqlDatabase::database("myConnection");
db.setConnectionParameter("hostname", "localhost");

Note that the exact set of parameters that can be set depends on the specific database driver being used.