Any plan to introduce the join between record type other than Primary key

Question

In many cases, we have to do join other than primary key for the tables as same can't be configured with sync Record type and ultimately, we need to depend on Database views and we loose many capabilities of Sync Record type

Stefan Helzle · Answer

I think that you can already use custom record fields for relationships. 
 docs.appian.com/.../record-type-relationships.html

Harsha Sharma · Answer

Record relationships are there as a compliment to the joins between multiple records. And using relationships much of the features of views are replicable.