What is the difference between primary, partition and clustering key in Cassandra ?
Answer : In Cassandra, a table contain a number of rows.
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cassandra certification sample questions
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What is the difference between Cassandra and Hadoop ?
Answer : All nodes are same in Peer-to-Peer
Distributed architecture. Master/Slave. Name Node act as Master and data node act as worker node.
What is the relationship between Apache Hadoop, HBase, Hive and Cassandra ?
Answer : It is a Big Data framework which uses Hadoop Distributed File System to Store the data and MapReduce framework to process that data
What is the Cassandra coefficient ?
Answer : The four components of the Cassandra Coefficient are…
What is secondary index in Cassandra ?
Answer : A primary index is global, although a secondary index is local.
What is cluster, node and key space in cassandra ?
Answer : Cluster is a collection of multiple data centers.
What is Cassandra data modelling ?
Answer : The Group of independent servers (usually in close proximity to one another) interconnected via network to work as one centralized data processing resource…
What is a seed node in Apache Cassandra ?
Answer : Seeds are used to discover the cluster in the start up period…
What is Cassandra database software ?
Answer : Apache Cassandra is a simple and open-source provides NoSQL DBMS build to handle huge volume of data against more fabric servers
