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Referential integrity: restrict, cascade, ignore and CHA
Message
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Divers
Thread ID:
00291533
Message ID:
01001137
Vues:
30
>>>>I am using the RI builder and I have a situation where neither restrict, cascade or ignore is appropriate. Instead I would like to make the foreign key in the child table NULL.
>>
>>>We ran a test today and it seems that VFP native RI builder allows to add NULLs. Did we do our test wrongly?
>>
>>I haven't used the native VFP RI for a few years now.
>
>What do you use? Do you use VFP database?

Stonefield.
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