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Changing FK Constraint
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Information générale
Forum:
Microsoft SQL Server
Catégorie:
Conception bases de données
Divers
Thread ID:
01649259
Message ID:
01649270
Vues:
50
>>Hi,
>>
>>I have the following FK constraint:
>>
>>
>>ALTER TABLE [dbo].[eq_file]  WITH CHECK ADD  CONSTRAINT [FK_eq_file_site_category] FOREIGN KEY([site_no], [category])
>>REFERENCES [dbo].[calpmcat] ([SITE_NO], [CATEGORY])
>>ON UPDATE CASCADE
>>ON DELETE SET DEFAULT
>>
>>
>>I would like to change the [ON DELETE SET DEFAULT] to SET DEFAULT only for the field CATEGORY. And leave the field SITE_NO unchanged. Is it possible?
>
>I think that I need to change the ON DELETE to NO ACTION and then write a Delete Trigger that will update the field CATEGORY and leave the field SITE_NO without a change. Does it make sense?

I tested it and it works.
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