Re: Why using "Group By"

"Damjan S. Vujnovi?" <damjan_at_NO_SPAM.galeb.etf.bg.ac.yu> wrote in message news:<b4prme$fnl$1_at_news.etf.bg.ac.yu>...
> How will you write (using your sintax) something like this:
>
> SELECT
> CUSTOMER_CITY, COUNT(*)
> FROM
> CUSTOMER_TABLE
> GROUP BY
> CUSTOMER_CITY, SOME_OTHER_CUSTOMER_TABLE_ATTRIBUTE
Well, why would you really want to? If I do that and the result is:

CUSTOMER_CITY COUNT(*)

LONDON        12
LONDON        23
LONDON        34
PARIS         17
PARIS         99

• what on Earth is the use of that "information"?

This is another case of SQL bags rather than sets complicating queries. Received on Thu Mar 13 2003 - 18:20:55 CET