MySQL查询找出谁作出的大部分订单

Question

tbl_customer.id是客户的ID

tbl_order.customer_id

一个查询，将选择所有的客户说，4个或更多记录tbl_order客户

Answer 1

SELECT tbl_order.customer_id, COUNT(*) 
    FROM tbl_order 
    GROUP BY customer_id 
    HAVING COUNT(*) > 4 

Answer 2

select customer.id, count(*) as num_orders 
from customer 
inner join tbl_order ON (tbl_order.customer_id = customer.id) 
group by customer.id 
having num_orders >= 4; 

Answer 3

使用上述答案的组合（感谢）

我今天早上结束什么了

SELECT c.first_name,c.SURNAME,c.ADDRESS1,c.CREATED ,COUNT(*) AS num_orders 
FROM tbl_customer AS c 
INNER JOIN tbl_order_head AS o ON (o.customer_id = c.id) 
GROUP BY c.id 
HAVING num_orders >= 4 ORDER BY num_orders DESC;