I believe CloudKit is built on FoundationDB > CloudKit allows you to store your data as CKRecord objects, and relationships between those objects as CKRecord.R

I believe CloudKit is built on FoundationDB > CloudKit allows you to store your data as CKRecord objects, and relationships between those objects as CKRecord.Reference associations. https://developer.apple.com/documentation/cloudkit/designing_and_creating_a_cloudkit_database https://developer.apple.com/documentation/cloudkit/designing... I’m not a database guy so idk if that meets the technical definition of “relational” but it is a database with relationships :)