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Keys requirement for views with Send SQL updates
Message
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
Divers
Thread ID:
01117191
Message ID:
01117192
Vues:
16
>Hi all,
>
> I've not done this before and could/should experiment to get my answer but thought someone here might have had this experience...
>
> I'm considering building updateable Views into the tables of an old pre-existing app. I find that some of the old tables weren't designed to have any unique keys. This would seem to be a problem for the View's Key requirements when it performs an SQL update. Is this true? Would the 'Update using' options of "SQL DELETE then INSERT" versus "SQL UPDATE" make a difference in this case?
>
>Thanks,
>Steven-

No,
That way you just delete all records that have same values in fields and insert only one.
Against Stupidity the Gods themselves Contend in Vain - Johann Christoph Friedrich von Schiller
The only thing normal about database guys is their tables.
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