|  | PostgreSQL database called 'products': | 
      
        |  | 
    
      
        |  | $dbh = connect('dbi:Pg:dbname=test', $user, $pswd); | 
      
        |  | 
    
      
        |  | Oracle database (or alias) defined in Oracle config file | 
      
        |  | 
    
      
        |  | $dbh = connect('dbi:Oracle:products', $user, $pswd) | 
      
        |  | 
    
      
        |  | CSV file called 'products.csv': | 
      
        |  | 
    
      
        |  | $dbh = connect('DBI:CSV:'); $dbh->{'csv_tables'}->{'products'} = {
 'file' => 'products.csv',
 'eol'  => "\n"
 };
 | 
      
        |  |