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14/12/2007 15:20:54
 
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Titre:
Divers
Thread ID:
01275969
Message ID:
01275980
Vues:
6
Looking at it, it looks like a possiblity. Let me try it.

Thanks


>>I don't know if this is doable.
>>
>>
>>SELECT TOP 10 demo.idcard, hra.hraid, hraspec.hracomplet ;
>>	FROM demo d, hra h1, hraspec h2 ;
>>	WHERE d.ssnum = h1.ssnum ;
>>		AND h1.hraid = h2.hraid ORDER BY 1
>>
>>
>>I want to extract first to 10 rolls from demo and their related records from hra and hraspec. I can't get it to work.
>>
>>What am I doing wrong.
>>
>>Thanks
>
>How about:
>
>SELECT D1.IdCard,;
>       D2.*;
>FROM (SELECT TOP 10 IdCard, SsNum FROM Demo ORDER BY IdCard) D1;
>INNER JOIN (SELECT h1.SsNum, h1.hraid, h2.hracomplet
>                   FROM hra h1
>            INNER JOIN hraspec h2 ON h1.hraid = h2.hraid) D2;
>ON D1.SsNum = D2.SsNum
>
>not tested at all
The American Republic will endure, until politicians realize they can bribe the people with their own money.
- Alexis de Tocqueville

No man’s life, liberty, or property is safe while the legislature is in session.
– Mark Twain (1866)
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