4

All I see online is that each object can have 2 master-detail relationships, but on the Salesforce App Limits PDF : https://na5.salesforce.com/help/pdfs/en/salesforce_app_limits_cheatsheet.pdf

It says that custom objects can have 8, what release was this in? I am studying for DEV 401 and I wanted to make sure I knew the answer to this before I take it.

2

There is only 2 Master Detail Relationship allowed per object and it can have upto three custom detail levels.
You can read more about it here, Considerations for Relationships

2

Each object is allowed to have one or two masters, or up to 8 details.

  • 1
    Can you tell me where you read that you can have 8 details? Thanks – Brad Thomas Nov 5 '15 at 20:23
  • This is not limited to 8, there is no documentation --- can create 10+ without issue – bigassforce Feb 12 at 18:05
1

You can have a Total of 40 Relationship fields with a Maximum of 2 Master Detail Relationships. So you can have all 40 as Lookup Relationship fields, 38 Lookup and 2 MD 39 Lookup and 1 MD relationship fields on an object.

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