From: | Maarten Boekhold <Maarten(dot)Boekhold(at)reuters(dot)com> |
---|---|
To: | Oliver Seidel <os10000(at)in-medias-res(dot)com> |
Cc: | pgsql-sql(at)hub(dot)org, vpaul(at)dohle(dot)com, xy0xy0(at)earthlink(dot)net |
Subject: | Re: car mileage summation / sledgehammer method |
Date: | 2000-08-17 11:55:19 |
Message-ID: | 200008171159.e7HBxem98875@hub.org |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-sql |
> View definition: SELECT mileage.miles, mileage.date FROM mileage;
> detail=# select mileage.miles, mileage.date, sum(dup.miles) from
> mileage, dup
> where
> dup.date <= mileage.date group by mileage.date, mileage.miles
> order by mileage.date;
Now that's a bit stupid. Why create this view when you can do the same
thing with a table alias (I'm I calling this by the right name?).
select m.miles, m.date, sum(d.miles) from mileage m, mileage d
where.......
Maarten
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