Re: Theory of joins

From: Em Pradhan <empradhan_at_dplus.net>
Date: Thu, 28 Jan 1999 02:12:41 -0500
Message-ID: <36B00DE9.91A97CFF@dplus.net>

Right off my head ... which is already tired ... any way..

Semijoin is special operation which is used in optimizing some types of queried in a Distributed Database management systems.

If you look into distributed database vol 1 and vol2 you may find in more detail.. Right now I don't have those books with me..

Hope it helps Good luck

Pradhan..

Fernando Sánchez wrote:

> Hello,
>
> I'd like to know what is called a semi-join. Not an Oracle-specific question.
>
> Thanks
>
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Received on Thu Jan 28 1999 - 01:12:41 CST