> I've never built something that did not need a relational database to model the domain
Yeah, so perhaps you don't have much experience from outside the relational model. Makes perfect sense to see a single truth then.
> I can't even think of something that could use search that's not relational. Can you?
Not sure how wide a blanket you're throwing by "not relational", but here are a couple examples that might fit: Google's search engine, most filesystems and their files, hierarchical and flat data structures in general, twitter.
Yeah, so perhaps you don't have much experience from outside the relational model. Makes perfect sense to see a single truth then.
> I can't even think of something that could use search that's not relational. Can you?
Not sure how wide a blanket you're throwing by "not relational", but here are a couple examples that might fit: Google's search engine, most filesystems and their files, hierarchical and flat data structures in general, twitter.