Harry Brueckner wrote:
>
> Hello,
>
> I have problems getting the proper SQL statement for the following problem.
>
> I have this table:
>
> | Shop | Article | Amount |
> | A | 1 | 3 |
> | B | 1 | 17 |
> | C | 1 | 9 |
> | D | 1 | 25 |
> | A | 2 | 14 |
> | B | 2 | 29 |
> | G | 2 | 1 |
> | D | 3 | 212 |
> | E | 3 | 17 |
> | F | 3 | 35 |
>
> Now I want to select each article just once, where it has the amount is the
> maximum.
> The result for my example should be:
>
> | Shop | Article | Amount |
> | D | 1 | 25 |
> | B | 2 | 29 |
> | D | 3 | 212 |
>
> How can I select just these rows ?
>
> Harry
>
> PS: Does anyone know a good SQL book which helps to get those little harder
> SQL questions answered. Something like a "SQL Cookbook" or something ?
Hi Harry
Try:
SELECT Shop, Article, Amount FROM table HAVING Amount = MAX( Amount )
Books:
'SQL for Dummies' is good to get an first insight.
Tschau
Christian
