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Re: Simple SQL?

From: Jan Hidders <hidders_at_REMOVE.THIS.win.tue.nl>
Date: 21 May 2001 22:16:12 GMT
Message-ID: <9ec43c$kgd$2@news.tue.nl> 






Mikito Harakiri  wrote:


> You are not saying that sql with IN and EXIST constructs is more

> powerful than without them, arent't you? Because if I use joins with

> MINUS operation I cover 'NOT IN' and 'NOT EXISTS' perfectly well.




True. But if they are nested you need the MINUS inside subqueries. I'm
not sure if that is allowed in most SQLs.


-- 
  Jan Hidders


Received on Mon May 21 2001 - 17:16:12 CDT












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