Comments on: Custom Objects, Applications, & Tabs

By: John Coppedge

John Coppedge — Wed, 30 Nov 2011 12:02:12 +0000

Yes multi-level master-detail relationships are possible You can have two master-detail relationships on a single object (e.g.a junction object) or multiple levels (e.g. product <- subproduct <- category product).

By: hanasahi

hanasahi — Wed, 30 Nov 2011 01:40:10 +0000

Hi John,

I have a small clarification for master-detail relationship

For the recruiting application on Fundamentals,
Candidate connect to Job Application by master-detail,
Job Application connect to Review by master-detail
So it looks like we can create multi-level master-detail relationship.
It makes me confuse, because it conflicts with your guide mentioned about.
Please help me understand that what relationship between Candidate/ Job Application/ Review and it is possible to create multi level master-detail? Thanks in advance.

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Piyush — Tue, 28 Dec 2010 06:02:25 +0000

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By: Anu karthi

Anu karthi — Mon, 10 May 2010 06:55:49 +0000

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By: Nino

Nino — Tue, 23 Mar 2010 22:58:56 +0000

Thanks for this. For the benefit of others who use your blog as a reference for their review, can you add the new relationship Master-Detail-Subdetail which was the new feature of Spring ’10? Thanks

By: John Coppedge

John Coppedge — Wed, 03 Mar 2010 13:20:47 +0000

Hi keerthana,

Good question. The field listed on the opportunity setup page lists it as a lookup relationship to account, however master-detail functionality exists between the two objects (e.g. roll-up summaries, etc.).

I’m not sure which it was classified as technically.

By: keerthana

keerthana — Wed, 03 Mar 2010 11:47:30 +0000

I have a small clarification.

what is the relationship between account and opportunities?

Is it master -detail or look up?

By: SO

SO — Thu, 28 Jan 2010 03:09:30 +0000

Yes, the diagram for the many-to-many relationship should be other way around. Other than that, it’s excellent – thanks!

By: John Coppedge

John Coppedge — Wed, 23 Dec 2009 14:29:00 +0000

Thanks ds,

I must have been on a reversal kick while writing this guide- there are a few that are off. Hope it doesn’t detract much from the content. Cheers,

John

By: ds

ds — Wed, 23 Dec 2009 14:21:03 +0000

Hi John,
you have excellent study guide here, just a minor correction to the ER diagram between job posting – junction object – application. the many (triangle) should be in the junction object (job posting to applicant link). thx.