In column family databases such as Cassandra or HBase, denormalization is preferred over traditional joins. Which of the following statements best explains why denormalization is used and how it improves performance?

Question

Answer

Because joins are costly or unsupported in distributed column family systems, denormalization stores related data together, reducing cross-node lookups and improving read/write performance.

Answer

Because joins are executed faster in distributed systems, denormalization helps reduce data duplication.

Answer

Because column family databases automatically perform joins internally when denormalized tables are queried.

Answer

Because denormalization ensures data consistency across replicas without any redundancy.

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In column family databases such as Cassandra or HBase, denormalization is prefer...

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