Explain Cassandra Data Model

 Posted by Niladri.Biswas on 12/13/2012 | Category: NoSql Interview questions | Views: 1852 | Points: 40

The Cassandra data model has 4 main concepts which are cluster, keyspace, column, column family.

Clusters contain many nodes (machines) and can contain multiple keyspaces.

A keyspace is a namespace to group multiple column families, typically one per application.

A column contains a name, value and timestamp .

A column family contains multiple columns referenced by a row keys.

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