Activity › Forums › Salesforce® Discussions › What is a junction object? Salesforce® Discussions What is a junction object? Posted by Sumit kumar on August 3, 2020 at 5:21 AM What is a junction object? Ayush replied 5 years, 10 months ago 3 Members · 2 Replies 2 Replies Ratnesh Member August 4, 2020 at 6:31 AM A junction object is a custom object with two master-detail relationships, and it is the key to making a many-to-many relationship. A job posting fits into the space between positions and employment websites. [adinserter block='9'] Ayush Member August 4, 2020 at 6:40 AM A junction object is a custom object with two master-detail relationships, and it is the key to making a many-to-many relationship. Log In to reply. Public All Members My Connections Only Me PublicAll MembersMy ConnectionsOnly Me Public All Members My Connections Only Me