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15/12/2009 20:54:48
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:
01439284
Vues:
45
>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
"The creative process is nothing but a series of crises." Isaac Bashevis Singer
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