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 }

Why is jconsole used? What is it’s different elements?

Elaborate on cassandra - cql?

What is a keyspace in Cassandra?

103

how Cassandra delete Data?

114

What is the use of paging cqlsh command in Cassandra?

What is a column family in Cassandra?

What we need to be taken care while adding a column?

100

What do you understand by node in cassandra?

What is document store db?

What do you mean by ss table?

What is SSTable? How is it different from other relational tables?

118

What is node?

Define Compaction?

What is mandatory while creating a table in cassandra?

Explain what is memtable in cassandra?

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