Part 1: 280 words with diagrams/references

Can you illustrate the components of Cassandra and how the data is replicated?

Part 2: 250 words with references

Different types of applications make use of graph databases. For an overview of the various applications, review neo4j's web site and the White Papers located on the Solutions web page.

Select one of the applications and write a summary that explains the role of the graph database.

Part 3: 250 words with references

In chapter 2 of Graph Databases by Robinson, Webber and Eifrem, the authors discuss how relational databases and aggregate NOSQL stores manage graphs and connected data, and compare their performance to that of a graph database. A copy of the book attached in PDF.

In your opinion, what point were the authors making in the section titled Relational Databases Lack Relationships? Explain.

Textbook : Graph Databases by Ian Robinson, Jim Webber, and Emil Eifrem