I guess it is not possible to create many-to-many relationships using Link by Attribute ... but I'm hoping someone will tell me I'm wrong (!) psnox - Wed May 31 10:21:09 EDT 2017 | ||||||
Re: Link by Attribute - Many-to-Many You can have many target objects for one source object in Link by Attribute, in that case each Absolute Number value has to be on separate line | ||||||
Re: Link by Attribute - Many-to-Many PekkaMakinen - Thu Jun 01 01:06:32 EDT 2017 You can have many target objects for one source object in Link by Attribute, in that case each Absolute Number value has to be on separate line Thanks for responding ... but, for me, that is a many-to-1 (or, depending on your viewpoint, a 1-to-many) relationship | ||||||
Re: Link by Attribute - Many-to-Many psnox - Thu Jun 01 03:55:52 EDT 2017 Thanks for responding ... but, for me, that is a many-to-1 (or, depending on your viewpoint, a 1-to-many) relationship How would you get m:n for a single object?? The m:n relation would apply to linked objects in a set (module) when you have more than 1 objects in more than 1 modules. In DOORS links are directional and stored with the source of the link, therefore you have always a 1:n for any single object but the combination of links between modules gives you m:n.
eg: Module 1 has 2 Objects (1 and 2) and Module 2 has 2 objects (10 and 11) Mod1->Mod2
Assume that you have an attribute in Module 1 called "Target Object Abs Nr" and you want to link objects in Module 1 to Objects in module 2, eg: object 1 links to 10 and 11 and object 2 also links to objects 10 and 11. Module 1 looks like
After you run 'link by attribute' using the attribute "Target Object Abs Nr" then you will have m:n links (between objects in modules): Object 1 links to Objects 10, 11 Object 2 links to Objects 10,11 Object 10 has links from Objects 1, 2 Object 11 has links from Objects 1, 2
If you then extended this and created links from Module 2 objects to objects in a new Module 3 (containing objects 100, 101, 102) Mod1->Mod2->Mod3 then you could have a scenario for objects in Mod2 like:
Object 2 links to Objects 10,11 AND Object 2 has links from Objects 100,102 ... Maybe this is what you are thinking of as m:n but when using "Link by Attribute" you can have only 1 target module specified, so you are creating always 1:n relations and m:n needs therefore 2 executions of "Link by Attribute" 2 x 1:n to give you m:n.
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