In reference to big data, consider the following databases: (A) Memcached (B) CouchDB (C) InfiniteGraph.

1. A(A) and (B) only
2. B(B) and (C) only
3. C(C) and (A) only
4. D(A), (B) and (C)

Pick an option to check yourself, or open the answer below.

Show answer & explanation

Correct answer: D. (A), (B) and (C)

Explanation

Memcached (key-value), CouchDB (document) and InfiniteGraph (graph) are all NoSQL databases used with big data.