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Maven Interview Questions and Answers

21
What are the different types of NoSQL databases? Give some example.

NoSQL database can be classified as 4 basic types:

  • Key value store NoSQL database
  • Document store NoSQL database
  • Column store NoSQL database
  • Graph base NoSQL databse
  • There are many NoSQL databases. MongoDB, Cassandra, CouchBD, Hypertable, Redis, Riak, Neo4j, HBASE, Couchbase, MemcacheDB, Voldemort, RevenDB etc. are the examples of NoSQL databases.

22
What type of DBMS is MongoDB?

MongoDB is a document oriented DBMS>

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