Re: Relational Algebra and Aggregate Functions

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От Jeff Davis
Тема Re: Relational Algebra and Aggregate Functions
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Msg-id 1248882940.4765.817.camel@jdavis
обсуждение исходный текст
Ответ на Re: Relational Algebra and Aggregate Functions  (Peter Eisentraut <peter_e@gmx.net>)
Список pgsql-general
On Wed, 2009-07-29 at 10:19 +0300, Peter Eisentraut wrote:
> Is it weird that "Database in Depth" is shorter and easier than "Introduction
> to Database Systems"?  And they're by the same author, too.

I agree that it's a little strange. The former is more conceptual and
starts off assuming that you are familiar with things like
normalization. The latter is more like a textbook: more complete and
more formal.

Regards,
    Jeff Davis


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