PHP - Get MySQL column name

Question

//Get MySQL query, limit to certain number and random
<?php
$results = db_query("select v.developer_name,v.price_desc,v.project_location,v.client_logo,v.client_img,v.project_url,v.project_name from vpex v ORDER BY RAND() LIMIT 9 ");
$social_link = 'https://hormart.com';
$externalString  = '//lazacode.org';
?>