MySQL-Reihenfolge nach

select goods_name,cat_id,shop_price from goods where cat_id=4 order by shop_price desc;

select cat_id,shop_price,goods_name from goods order by cat_id ,shop_price;

select goods_id,goods_name from goods where cat_id=3 order by shop_price asc limit 10;

mysql> select goods_name ,shop_price from goods order by shop_price desc limit 0,5;

mysql> select goods_name ,shop_price from goods order by shop_price desc limit 5;
+----------------+------------+
| goods_name | shop_price |
+----------------+------------+
| 多普达Touch HD | 5999.00 | 
| 诺基亚N96 | 3700.00 | 
| 诺基亚N85 | 3010.00 | 
| testPhone | 3000.00 | 
| 夏新T5 | 2878.00 | 
+----------------+------------+

mysql> select goods_name ,shop_price from goods order by shop_price desc limit 2,3;
+------------+------------+
| goods_name | shop_price |
+------------+------------+
| 诺基亚N85 | 3010.00 | 
| testPhone | 3000.00 | 
| 夏新T5 | 2878.00 | 
+------------+------------+

mysql> select goods_name ,shop_price from goods order by shop_price desc limit 1;
+----------------+------------+
| goods_name | shop_price |
+----------------+------------+
| 多普达Touch HD | 5999.00 | 
+----------------+------------+

select cat_id, goods_id ,goods_name from(
(select cat_id,goods_id ,goods_name from goods order by cat_id desc,goods_id desc ) as tmp
)group by cat_id order by cat_id desc;

select cat_id,goods_id ,goods_name from goods where goods_id in (
select max(goods_id) from goods group by cat_id 
) order by cat_id desc;