#!perl
use strict;
use DBI;

my $dbh = dbh();
my $sql ="select * 
          from information_schema.columns 
          where table_name = ?";
 
my @tables = ('TopsData.dbo.AUDT_AuditChrt','TopsData.dbo.AUDT_AuditMedication');
for my $table (@tables){
  my $ar = $dbh->selectall_arrayref($sql,undef,$table);
  for (@$ar){
    print join ":",@$_,"\n";
  }
}
  
# connect
sub dbh {
  my $dsn = "dbi:ODBC:DSN=TEST-DB1";
  my $dbh = DBI->connect($dsn, 'SA', 'pass',
    {RaiseError => 1, PrintError => 1}) 
    or die (Error connecting " $DBI::errstr");
}