MySQL的计数和分组，排序

Question

我有一个表这样的..

---

| name | product 
--------------------- 
| Amy  | Doll 
| Allan | Bat 
| Bob  | Pen 
| Charlie | Eraser 
| Charlie | Pencil 
| Charlie | Sharpener 
| Allan | Ruler 
| Anoop | Candy 
******************* 

我想要的每个客户购买的产品数量。输出应按照1）按降序购买的产品数量和2）购买相同数量产品的客户应按字母顺序排序。

输出：

******************* 
| name  | number 
-------------------- 
| Charlie | 3    
| Allan | 2    
| Amy  | 1 
| Anoop | 1 
| Bob  | 1    
******************* 

Answer 1

使用GROUP BY：

SELECT name , COUNT(*) AS `number` 
FROM your_table 
GROUP BY name 
ORDER BY `number` DESC, name; 

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