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De
15/12/2009 22:34:53
 
 
À
15/12/2009 20:59:29
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Titre:
Versions des environnements
Visual FoxPro:
VFP 9 SP2
OS:
Windows XP SP2
Divers
Thread ID:
01439282
Message ID:
01439288
Vues:
41
>>Hi All:
>>
>>Consider the following table:
>>
>>
>>Name           Serial_Num
>>Joe              001
>>Blo
>>Moe            002
>>Curly
>>
>>
>>For whatever reason, not every record has a serial_Num. I now want to add a record for 'Abe' that will contain the next serial_num, '003'.
>>
>>How can I retrieve the '002' with SQL similar to:
>>
>>
>>Select bottom serial_num where !empty(serial_num)
>>
>>
>>The problem is that there is no 'bottom' keyword. How do I do it?
>>
>>Thanks,
>>
>>Yossi
>
>Try
>
>
>select top 1 serial_num from tablename order by serial_num desc where !empty(serial_num)
>
>
>HTH

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