我在互联网上发现了以下mysqli查询。它显示前3名销售的汽车解释显示排名前3的汽车的MySQLi查询
//create conection with mysql database.
$conn = mysqli_connect("localhost","root","","cars");
//query
$select = "SELECT ord.*, sum(amount) as amt from orders as ord GROUP BY id_car order by amt desc limit 0,3";
$data = mysqli_query($conn,$select);
此查询工作正常,但我想如果有人能解释我查询的这个第一部分:SELECT ord.*,
这似乎是“ORD”是指订单,但它如同说:SELECT * FROM orders
??
见截图图像 orders table
从订单表中获取所有字段。 – rahul