Answer:
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.
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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