All of them? It's a lot more to think about than in a relational DB where you only have to reckon with a 'node', not any of its connections. (or, if you have so

All of them? It's a lot more to think about than in a relational DB where you only have to reckon with a 'node', not any of its connections. (or, if you have some tables related by key, just processing everything under that key.)