Question 66: Which all are true for Cassandra data modeling principal?

A. You must know your data

B. You know all your queries in advance

C. Wherever required de-normalize your data

D. You can store duplicate data

  1. A,B,C
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Correct Answer : 5

Exp : These all are the data modeling principal in Cassandra know your data in advance. know your queries, you must aware what all queries are going to be executed on your data. Hence, find below

                partition per query - ideal

                partition+ per query - acceptable

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