Apache Cassandra Interview Questions
Questions Answers Views Company eMail

When to use secondary indexes?

50

What are the benefits of NoSQL over relational database?

95

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

51

When to avoid secondary indexes?

54

What ports does Cassandra use?

43

When should you not use Cassandra? OR When to use RDBMS instead of Cassandra?

90

What are secondary indexes?

55

What is the design architecture of Cassandra?

55

Who uses Cassandra?

47

JMX stands for?

51

What are the different features of Cassandra?

59

What happens to existing data in my cluster when I add new nodes?

121

What is the primary objective of NoSQL databases?

64

What is Cassandra Query Language?

64

What are the different components of Cassandra?

72


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Un-Answered Questions { Apache Cassandra }

What do you mean by column family in Cassandra?

66


How does Cassandra write?

62


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

41


What do you understand by Data Replication in Cassandra?

60


Mention what needs to be taken care while adding a column?

51






how Cassandra delete Data?

83


What is the usage of "cqlsh-version" command?

54


What is the use of expand cqlsh command in Cassandra?

53


What do you understand by Consistency in Cassandra?

51


Explain how cassandra writes changed data into commitlog?

49


When should you not use Cassandra? OR When to use RDBMS instead of Cassandra?

90


What are snapshots and how do you create one in cassandra?

40


What is CQLSH in Cassandra?

73


What is the Cassandra Coefficient ?

52


Give the differences between the different types of primary keys in cassandra?

63