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List:       mysql
Subject:    Re: SQL SELECT HELP
From:       Egor Egorov <egor.egorov () ensita ! net>
Date:       2004-04-30 13:30:46
Message-ID: 611am1xsbe.ln2 () blend ! ensita ! net
[Download RAW message or body]

zoltan.gyurasits@philips.com wrote:
> 
> Sorry. My english is not so good. :(
> I try to explain.
> 
> I have table1 :
> 
> ID      value
> --------------------------
> 1       100
> 1       101
> 1       102
> 1       200
> 2       100
> 2       300-------------------
> 2       310             |
> 3       100             |
>                        |
> and table2:             |
>                        |
> value                   |
> -----------                     |
> 300 <-----------------------------
> 
> 
> The result of the query should be from IDs of table1 (In this case 1,3) . 
> The ID 2 is not allowed, because the table2 is the exception table wich is 
> containing the value 300.
> 

You need something like:
	SELECT DISTINCT t3.id FROM table2 t2 INNER JOIN table1 t1 ON t1.value=t2.value
	RIGHT JOIN table1 t3 ON t1.id=t3.id WHERE t1.id IS NULL;
	 



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