efficenza mysql: confronto array vs query multiple

[dottwatson]

$array_one=array('pippo','pluto','minnie');
$array_two=array('ieri','oggi','domani')

$state=false;
foreach ($array_one as $dato)
if (in_array($dato,$array_two)) $state=true;


if ($state==true) echo "trovato!";
else echo "niente...";