sub open_dbi
{
    # Declare and initialize variables
    my $host        = "192.168.1.3";
    my $db          = "d60380940";   # NEEDS QUOTES
    my $db_user     = "root";        # NEEDS QUOTES
    my $db_password = "root";        # NEEDS QUOTES

    # Connect to the requested server

    # MySQL example
    my $dbh = DBI->connect ("dbi:mysql:$db:$host", $db_user, $db_password, {
        RaiseError         => 1,         # When expecting problems, ENABLE!
        PrintError         => 1,         # When expecting problems, ENABLE!
        ShowErrorStatement => 1,         # When expecting problems, ENABLE!
        FetchHashKeyName   => "NAME_lc", # Always be predictable in key names
        }) or err_trap ("Cannot connect to the database");

    # ODBC example        semi-colon, not colon ---.    ,------- Needs Host= prefix
    my $dbh = DBI->connect ("dbi:ODBC:DSN=d60380940;Host=192.168.1.3", undef, undef, {
        RaiseError         => 1,         # When expecting problems, ENABLE!
        PrintError         => 1,         # When expecting problems, ENABLE!
        ShowErrorStatement => 1,         # When expecting problems, ENABLE!
        FetchHashKeyName   => "NAME_lc", # Always be predictable in key names
        }) or err_trap ("Cannot connect to the database");
    return $dbh;
    }