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[B] NoSQL, [C] CAP-Theorem, [E] Eras of Databases, [F] Database Paradigms,…

- - - - Shared-nothing architecture [SN]
      - Commodity Hardware
    - - More Hardware
- - - - Open source, In-memory key-value store
      - Speed up dynamic web apps
      - 30ms read times typical
      - Quick, Ease of Deployment and Development
      - Support many languages
    - - Open source, Dynamo-inspired key-value store
      - Focus on availability, fault-tolerance, simplicity, scalability
      - Replication, auto-sharding, failure recovery
      - Written in ERLANG
        
        Support MapReduce
        
        fulltext search
        
        secondary indexes of value tags
    - - Open source, in-memory key value store with optional durability
      - High speed reads and writes of common data structures
      - Support these datatypes: simple lists, sets and hashes
      - expiration
        
        transactions
        
        pub/sub,
        
        partitioning
    - - Amazon!
      - SSD only database service
      - Focus on throughput not storage and predictable read and write times
      - Strong Integration with S3 and Elastic MapReduce