my @name=("Anna","Maria","Carmen");
my @age=("25","27","29");
my @eyes=("brown","blue","pink");
#those arrays have always the same number of elements
for (my $i=0;$i<=$#name;$i++){	
						
		my $sth=$dbh->prepare(qq{UPDATE tnt SET `Age`=\"$age[$i]\",`Eyes`=\"$eyes[$i]\" WHERE  `Name`=\"$name[$i]\"});
		$sth->execute();
		}
                $sth->finish;
		

##</code><code>##

Name     Age Eyes
Corina   13  red
Ada      17  blue
Anna     10  grey
Maria    2  white
Carmen   6

##</code><code>##

Anna 25 brown
Maria 27 blue
Carmen 29 pink