I am getting error in php mysqli function saying data base not found

Question

Using wamp server version 3.2.0

The Error-

Warning: mysqli::__construct(): (HY000/1049): Unknown database 'mywebsite' in E:\wamp64\www\biren\php_DB_linking\2_Linking_to_DB.php on line 7

I have the data base created in PHP Myadmin in my local host

constantly showing this error

<?php
$servername ="localhost";
$username="root";
$password="";
$dbname="mywebsite";//name of my DB
//creating the connection.
$connect= new mysqli($servername,$username,$password,$dbname);//Error line
if($connect->connect_error){
    die("connection failed".$connect->connect_error);
}
else {
    echo "connection done";
}?>