php - 如何获得最好的保存 SQL PHP

Question

如果我有下表：

ID  Name   Price  RRP
1   Shirt  10.00  20.00
2   Jeans  15.00  30.00

我将如何检索节省最多的行（ID 2）？

score 4 · Accepted Answer

4

Select Id,Name,Price,RRP FROM TableName Order By (RRP-Price) Desc Limit 1

于 2013-10-02T10:11:04.133 回答

score 1 · Accepted Answer

1

SELECT ID, Name, Price, RRP, RRP-Price AS saving 
FROM Table 
ORDER BY saving DESC

于 2013-10-02T10:14:28.690 回答

2 回答 2