<?php
        $conn= new PDO('pgsql: user=pranav dbname=pranav password=pranav');
        $uname= $_POST["Username"];
        $psq= $_POST["Password"];
        $sql= "select username from login where username='$uname' and password='$psw'";
        $result= $conn->query($sql);
        if(!empty($result) AND $result->rowCount()==1)
        {
            echo "Connection Successful";
        }
        else
        {
            "Connection Unsuccessful";
        }
    ?>