Apache Cassandra Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apache Cassandra Interview Questions

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What Platforms Cassandra runs on?

Give some advantages of Cassandra?

What is the use of “void close()” method?

What are the collection data types provided by CQL?

What is the use of “ResultSet execute(Statement statement)” method?

What do you mean by consistency in Cassandra?

186

Give the data storage units in Cassandra?

What is data replication in Cassandra?

When can you use ALTER KEYSPACE?

What is the concept of SuperColumn in Cassandra?

How many types of tunable consistency are supported in Cassandra?

Mention what are the values stored in the Cassandra Column?

What do you understand by Consistency in Cassandra?

How many types of NoSQL databases are there?

143

Does Cassandra works on Windows?

Un-Answered Questions { Apache Cassandra }

Is it possible to add or delete column families in a working group?

how Cassandra writes data?

117

I have a row or key cache hit rate of 0.XX123456789 reported by JMX. Is that XX% or 0.XX% ?

What are the different composite keys in Cassandra?

What is Cassandra?

What is prepare() method in Cassandra?

what are the main components of cassandra data model?

What is the syntax to create keyspace in Cassandra?

122

Define Nodetool Utility?

How to write a query in Cassandra?

104

Elaborate on cassandra - cql?

Differentiate between drop and truncate in cqlsh

Explain how it is different from the other original tables?

What is a row in cassandra? And what are the different elements of it?

JMX stands for?

108

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