Cassandra : Features...

1. Distributed & Decentralized
1. All nodes are identical ; No Master & Slave (So no single point of Failure) #18
2. Example DBs with Master/Slave concept
1. MySQL, BigTable, MongoDB #18
2. Elastic Scalability 
1. Is Scalable Horizantally
3. High Availability & Fault Tolerance #19
1. Replication of Multiple Data Centers
4. Tuneable Consistency
1. Client can decide b/w Strict or Eventual(Weak) Consistency based on his requirement
2. Fast Writes, 
1. Conflict resolution of data is is done during read time, which provides Cassandra with fast write speeds #22
5. Row Oriented #17, #26
1. A data is represented as row identified by its Key #27
2. Key is used to Distribute data across multiple data stores
3. Each row can have one or more columns
6. Flexible Schema #27
1. Schemas can be specified using CQL
7. Borrows Distributed Design from Dynamo DB & Data Model from BigTable