Difference between Lookup and Master-Detail relationship in Salesforce



Lookup
Master-Detail
Loosely coupled.     
Tightly coupled.
Parent is not a required field while creating child record.          
Parent is a required field while creating child record.
We cannot create roll-up summary field.
We can create roll-up summary field.
No cascade delete. 
Cascade delete.

Cheers!!!

4 comments:

  1. In lookup relationship is it possible that user has access to Parent and no access to child records?

    ReplyDelete
    Replies
    1. Yes. It is possible with Lookup relationship.

      Delete