Apache Cassandra

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  Free and open-source database management system, developed by Facebook.
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• Java 8
• Cassandra 最新版 ；

：the Cassandra Query Language.

• CQL version 3.
• CQL offers a model close to SQL in the sense that data is put in tables containing rows of columns.
• There is no correlation between Cassandra release versions and the CQL language version.

: the CQL shell.

• cqlsh is a command line shell for interacting with Cassandra through CQL.
• 需要 Python 版本 2.7。

DB Ranking

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  ACID：原子性（atomicity，或称不可分割性）、一致性（consistency）、隔离性（isolation，又称独立性）、持久性（durability）。
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Authors

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• by JONATHAN ELLIS?
  Cassandra implements a sort of hybrid between and . It takes its distribution algorithm from Dynamo and its data model from Bigtable -- sort of the best of both worlds.
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  Dynamo is the name given to a set of techniques that when taken together can form a highly available key-value structured storage system or a distributed data store.
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• ：Presented by Besat Kassaie；
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