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
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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 virtual node in Cassandra ?
Answer : Prior to Cassandra 1.2, every node was allocate to a particular token range.
What is the use of Cassandra database ?
Answer : Apache Cassandra is a high-performance provides database to manage large number of data among many commodity servers and then it is highly scalable
What is the replica placement strategy in Cassandra ?
Answer : Once you’ve absorbed that the strategy should fit the kind of environment you are placing your cluster in…
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 most widely used API to write data to Cassandra ?
Answer : Java makes the write procedure locked into the Java program.
What is the internal architecture of the Cassandra database ?
Answer : Cassandra is build to manage big data workloads among multiple nodes with no single point of failure
What is the Cassandra coefficient ?
Answer : The four components of the Cassandra Coefficient are…
What is the best method for storing lists of large objects in Cassandra ?
Answer : All header information variables become static attached to your primary key…
