Plateforme Level Extreme
Abonnement
Profil corporatif
Produits & Services
Support
Légal
English
Some RI ideas
Message
 
 
À
17/04/2007 14:51:01
Hilmar Zonneveld
Independent Consultant
Cochabamba, Bolivie
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Titre:
Versions des environnements
Visual FoxPro:
VFP 8 SP1
OS:
Windows XP
Database:
Visual FoxPro
Divers
Thread ID:
01216870
Message ID:
01216952
Vues:
17
>>Hi everybody,
>>
>>I'm thinking, should I use the built-in RI Builder for a simple application or should I try to enforce RI rules from the interface?
>>
>>I have the following tables in a database:
>>
>>Tickets, Problems, Resolutions, ProblemResolution, Software, Hardware, Other.
>>
>>Tickets may have pointers to all of these tables. I allow to Delete Problems and Resolutions in the interface, I also allow to make inactive Software/Hardware/Other.
>>
>>What would be the best course of action for me to proceed in enforcing some integrity rules?
>>
>>What do you suggest?
>>
>>Thanks a lot in advance.
>
>I would use RI even for the simplest of applications - it is easy to use, and it does give you some advantages (data integrity, simplification in some cases through cascading delete).
>
>Especially for more demanding applications, I would ADDITIONALLY put validation rules to do some checks before RI kicks in; this is to avoid the user getting unintelligible (for him) messages like "trigger failed".

I'm thinking RI would not really work for me. I tried it and it is going to give a message on the attempt to Save, not on attempt to delete. I think I need to give user a message right away. I'll explore this option.
If it's not broken, fix it until it is.


My Blog
Précédent
Répondre
Fil
Voir

Click here to load this message in the networking platform