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# sql/overview/create_connections/main.cpp Example File

    /****************************************************************************
    ** $Id$
    **
    ** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.
    **
    ** This file is part of an example program for Qt.  This example
    ** program may be used, distributed and modified without limitation.
    **
    *****************************************************************************/

    #include <qapplication.h>
    #include <qsqldatabase.h>
    #include "../login.h"

    bool createConnections();

    int main( int argc, char *argv[] )
    {
        QApplication app( argc, argv );

        if ( createConnections() ) {
            // Databases successfully opened; get pointers to them:
            QSqlDatabase *oracledb = QSqlDatabase::database( "ORACLE" );
            // Now we can now issue SQL commands to the oracle connection
            // or to the default connection
        }

        return 0;
    }

    bool createConnections()
    {
        // create the default database connection
        QSqlDatabase *defaultDB = QSqlDatabase::addDatabase( DB_SALES_DRIVER );
        if ( ! defaultDB ) {
            qWarning( "Failed to connect to driver" );
            return FALSE;
        }
        defaultDB->setDatabaseName( DB_SALES_DBNAME );
        defaultDB->setUserName( DB_SALES_USER );
        defaultDB->setPassword( DB_SALES_PASSWD );
        defaultDB->setHostName( DB_SALES_HOST );
        if ( ! defaultDB->open() ) {
            qWarning( "Failed to open sales database: " +
                      defaultDB->lastError().driverText() );
            qWarning( defaultDB->lastError().databaseText() );
            return FALSE;
        }

        // create a named connection to oracle
        QSqlDatabase *oracle = QSqlDatabase::addDatabase( DB_ORDERS_DRIVER, "ORACLE" );
        if ( ! oracle ) {
            qWarning( "Failed to connect to oracle driver" );
            return FALSE;
        }
        oracle->setDatabaseName( DB_ORDERS_DBNAME );
        oracle->setUserName( DB_ORDERS_USER );
        oracle->setPassword( DB_ORDERS_PASSWD );
        oracle->setHostName( DB_ORDERS_HOST );
        if ( ! oracle->open() ) {
            qWarning( "Failed to open orders database: " +
                      oracle->lastError().driverText() );
            qWarning( oracle->lastError().databaseText() );
            return FALSE;
        }

        return TRUE;
    }