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Projecting table size
Message
De
22/05/2006 07:50:02
Cetin Basoz
Engineerica Inc.
Izmir, Turquie
 
 
À
22/05/2006 07:46:09
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Versions des environnements
Visual FoxPro:
VFP 9 SP1
OS:
Windows XP SP2
Network:
Windows 2000 Server
Database:
Visual FoxPro
Divers
Thread ID:
01123890
Message ID:
01123900
Vues:
19
>>a) Even if that table has 0 records in it now you can calculate "how many records will fit in X bytes". Roughly calculation is:
>>
>>lnTargetBytes = 2*1024*1024*1024
>>? int((m.lntargetbytes-HEADER())/RECSIZE())
>>
>>If table has no memo/general/BLOB type fields thjis would give you your limits.
>
>That's great, thanks.
>
>>b) You can keep an eye on reccount() then or directly on file size itself.
>>
>>PS: Such a case sounds to be a great candidate for SQL server (or some other backend).
>
>It's a standalone app and I favour the lightweight DBFs for stuff like that so I don't want to have to install local instances of SQL Server.
>
>Kev

Yes I can understand the ease working with DBFs and 'standalone' should be simplier:) However don't forget they always tend to grow up quickly:)
Even if you start with DBFs design it in a way that switching to a backend would be simple.
Cetin
Çetin Basöz

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