Oracle Connection

//require ojdbc6.jar in classpath
String driverName = "oracle.jdbc.driver.OracleDriver";
String connectionURL = "jdbc:oracle:thin:@exadata.google.co.uk";
String login = "user1";
String password = "password";
String tableName = "DELIVERY";
String userColumn = "DELIVERY_ID";

try {
    //load driver
    Class.forName(driverName).newInstance();

    //use jdbc url, database login, and database password to create connection
    java.sql.Connection conn = java.sql.DriverManager.getConnection(connectionURL, login, password);
    java.sql.Statement stmt = conn.createStatement();

    //execute sql query
    String dbQuery = "SELECT " + userColumn + " FROM " + tableName;
    java.sql.ResultSet empNames = stmt.executeQuery (dbQuery);

    while (empNames.next()) {
        String name = empNames.getString(1);
        //String cmQuery = "CREATE USER \"" + name + "\";";
        //execute(cmQuery);
        printOut("user '" + name + "' is successfully created");
    }
    empNames.close();
    stmt.close();
    conn.close();
} catch (Exception e) {
    printErr(e.getMessage());
}