一些SQL--排序检索数据

Server version: 5.6.47 MySQL Community Server (GPL)

1.排序数据
SELECT prod_name FROM Products;

SELECT prod_name FROM Products ORDER BY prod_name;

2.按多个列排序
SELECT prod_id,prod_price,prod_name FROM Products ORDER BY prod_price,prod_name;

3.按列位置排序
SELECT prod_id,prod_price,prod_name FROM Products ORDER BY 2,3;

4.指定排序方向
SELECT prod_id,prod_price,prod_name FROM Products ORDER BY prod_price DESC;

SELECT prod_id,prod_price,prod_name FROM Products ORDER BY prod_price DESC,prod_name;