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Home -> Community -> Usenet -> c.d.o.misc -> Re: Help with Cartesian product
BackAt-Ya wrote:
> What's a Cartesian product
Joining tables without a join criteriia. In a two table cartersian join, row one of table 1 is joined with every single row in table 2. Ditto for every other row in table 1.
> and why or why wouldn't I want to use one?
It creates massive result sets.
Sometimes you need to use a cartersian join. Most often you do not and a cartesian join is a result of slipper fingers.
> Please give me some examples.
SELECT
*
FROM table1,
table2;
-- BillyReceived on Mon Sep 23 2002 - 00:28:12 CDT
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