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Re: What does the (+) mean?

From: Galen Boyer <galenboyer_at_hotpop.com>
Date: 8 Feb 2004 21:12:07 -0600
Message-ID: <uekt5j6bz.fsf@standardandpoors.com>


On Mon, 9 Feb 2004, thief_NOSPAM_at_hotmail.com wrote:
> Sorry to ask a newbie-type question, but isn't a full outer
> join like:
>
> SELECT * FROM CLR, SEASON;
No, your query is a cartesian product.

TableA
1
2

TableB
2
3

Cartesian product of A and B brings back 1 2
1 3
2 2
2 3

Full outer join brings back

1 NULL
2 2
NULL 3

-- 
Galen Boyer
Received on Sun Feb 08 2004 - 21:12:07 CST

Original text of this message

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