i was wondering on how these databases
which have over millions of records and
millions of lookups per second soo fast.
how are they optimised?
are there any special servers hosting these databases?
how are they scaled?
$db_user="root"; $db_host="localhost"; $db_password="root"; $db_name = "fayer"; $conn = mysqli_connect($db_host,$db_user,$db_password,$db_name) or die ("couldn t connect to server"); // perform query ...