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set relationship question

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Join Date: Jul 2006
Posts: 112
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ryy705 ryy705 is offline Offline
Junior Poster

set relationship question

  #1  
Mar 30th, 2007
Hi,
This is a simplified problem for a mock book store I am trying to build. I have been stuck on this all morning. Any help would be appreciated. Thanks.

SET 1
| 1 | a |
| 2 | b |
| 3 | c |
| 1 | d |


SET 2
| a |
| d |



Given these two reletionships how can I determine which number in SET 1 has relationship with everything that is in SET 2?
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