Hi, I think I have another method to do this. (It assumes that you pass only the selected field names as per your example URI ).

use CGI;
my $q = new CGI;
my %args = $q->Vars;

$fields = join(",", sort { $args{$a} <=> $args{$b} } keys %args ) # So
+rt with values of hash and Join. It won't put ',' at the end

$SQL = "SELECT $fields FROM YOUR_TABLE_NAME";
[download]

Cheers !

--VC

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your side, my side and the right side.