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Calculated field
Message
De
21/01/2017 05:01:35
 
 
À
20/01/2017 10:10:46
Cetin Basoz
Engineerica Inc.
Izmir, Turquie
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Versions des environnements
Visual FoxPro:
VFP 9 SP2
OS:
Windows 10
Network:
Windows Server 2016
Database:
MS SQL Server
Application:
Desktop
Virtual environment:
Hyper-V
Divers
Thread ID:
01646855
Message ID:
01646936
Vues:
47
>>>>>>is possible to create a calculated field in a VFP table?
>>>>>
>>>>>As Borislav said, not directly. You could probably do something rules.
>>>>>
>>>>>Tamar
>>>>
>>>>Calculated field is present in BROWSE,
>>>>I was hoping I had missed something.
>>>>
>>>>I will use DEFAULT for the INSERT and explicit UPDATE,
>>>>but the space in the DBF was the thing I wanted to avoid.
>>>
>>>BTW why you need it?
>>>You can have it in Browse, in Grid in every control you want.
>>
>>It is not a direct visible table, it is used on background with a data schema,
>>automatic calculated fields simplify the code..
>
>
>As Borislav said you don't need it. In SQL server too, except for the persisted ones, they are just definitions filled in during a select.
>
>You can index a cursor on the fly, and also as Hilmar pointed out you could index on an expression (what a calculated field is).

i cannot do it into sql server. i need minimal traffic on odbc sessions.
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