I got 5 quetion which is about dabase system NoSQL . just need some answer fot these quetion . 

What advantage does the aggregate data model offer for  development of applications in a clustered environment?

How does aggregate orientation (i.e., the aggregate data  model compare to the relational model?

How do NoSQL databases differ from the relational model with  respect to transaction processing?

List four common categories of NoSQL database.  Whic of them are aggregate-oiented? Which is  not aggregate-oriented?

How do key-value and document data models differ? In what  ways are they similar?

How do column-family stores compare to document data models?