[SQL] Related table question

Ruslan Zasukhin sunshine at public.kherson.ua
Thu Jan 15 21:42:52 CST 2004


on 1/15/04 9:20 PM, Eric Forget at forgete at cafederic.com wrote:

>> Table A  { a1 }
>>   
>>   1
>>   2
>>   3
>> 
>> 
>> Table B { ptr ,b1 }
>> 
>>   1   1
>>   1   2
>>   1   3
>>   2   1
>>   2   2
>> 
>> Now when I do 
>> 
>>   select * 
>>   from a, B
>>   WHERE a.recID *= b.ptr
>>   and b.b1 <> 1
>> 
>> 
>> I get 
>> 
>>   a   ptr     b1
>>   1   1       2
>>   1   1       3
>>   2   2       2 
>>   3   null    null
>> 
>> 
>> So query works right.
> 
> But this is not what I need. I need something like:
> 
>   select A.RecID 
>   from A, B
>   WHERE A.recID *= b.ptr
>   and B.b1 <> 1
> 
> Then I get
> 
>       RecID
>   1   1
>   1   1
>   2   2 
>   3   3
    ^^^^^^^^^^^^^^ why 2 columns if you SELECT A.RecID only.

 
> Which is not what I want!

Btw, please show what you WANT to get from above 2 tables?


-- 
Best regards,
Ruslan Zasukhin      [ I feel the need...the need for speed ]
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e-mail: ruslan at paradigmasoft.com
web: http://www.paradigmasoft.com

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