the layout of my db 

my $host = "localhost";
my $usr = "root";
my $pwd = "hell";
my $dbname = "helldb";

my $dbh = DBI->connect("DBI:mysql:$dbname:$host", $usr, $pwd, {
	                              RaiseError => 1,
								  }) or die $DBI::errstr;
								  
								  
my $select = $dbh->prepare("SELECT something FROM info");   
			   $select->execute();
			   my $info = $select->fetchrow();