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01.06.2006 at 01:11PM PST, ID: 21687284
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7.8

foreign key problem

Asked by cwolves in MS SQL Server

Tags: , , ,

The simplest things are always the hardest, right?

Why can't I create two foreign keys from one table to the same primary of another?

Memberships.id(P)----(F)Map_Membership_Network.fk_pmember_id
Memberships.id(P)----(F)Map_Membership_Network.fk_cmember_id

I get:

'Memberships' table saved successfully
'Map_Membership_Network' table
- Unable to create relationship 'FK_Map_Membership_Network_Memberships1'.  
Introducing FOREIGN KEY constraint 'FK_Map_Membership_Network_Memberships1' on table 'Map_Membership_Network' may cause cycles or multiple cascade paths. Specify ON DELETE NO ACTION or ON UPDATE NO ACTION, or modify other FOREIGN KEY constraints.
Could not create constraint. See previous errors.



there shouldn't be multiple cascade paths with that!  you have:

Memberships--\
                       >--->Map_Memberships_Network
Memberships--/

they both go in the same direction, so what's the issue here???Start Free Trial
[+][-]01.06.2006 at 01:48PM PST, ID: 15633687

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[+][-]01.06.2006 at 03:08PM PST, ID: 15634315

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[+][-]01.07.2006 at 02:42AM PST, ID: 15636495

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[+][-]01.07.2006 at 02:49AM PST, ID: 15636511

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[+][-]01.07.2006 at 05:31AM PST, ID: 15636869

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About this solution

Zone: MS SQL Server
Tags: cascade, multiple, foreign, key
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Solution Provided By: Racimo
Participating Experts: 3
Solution Grade: A
 
 
[+][-]01.07.2006 at 02:12PM PST, ID: 15639033

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[+][-]01.07.2006 at 06:37PM PST, ID: 15640094

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[+][-]05.28.2006 at 11:35AM PDT, ID: 16780147

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