$query = "SELECT Table1.value, Table2.value1 FROM Table1,Table2 WHERE Table2.value1 LIKE CONCAT('%',Table1.value,'%')";
$result =mysql_query($query) or die(mysql_error());
while(@row = mysql_ftech_array($result))
{
$updatetable2= UPDATE Table2.value2 SET Table2.value2 =(@Table1.value);
}