NO SQL KEY - VALUE Store - Similar to a MAP. e.g. Dynamo DB or REDIS DOCUMENT Sore - Similar to KEY-VALUE, value can be JSON/XML and key will be unqiuely idnetified this document. e.g. Coutch DB or mongoDB. Column Store - Multi timentional table, identifying data with row and column numbers. e.g. Cassandra or Apache HBase Graph Store - Store relation between nodes (record entities) . It has better transaction management e.g. Neo4J and Orient DB.