A lot is transferrable to NoSQL and key-value in general, though DDB has plenty of quirks of it's own. Understanding your problem really is the key. A lot of problems turn out to be quite relational after all
You definitely can build just about anything with DDB, it's often just not worth the time when most can be solved by existing tools
You definitely can build just about anything with DDB, it's often just not worth the time when most can be solved by existing tools