Answer : error message: cannot convert null to int…
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Answer : Lazy write is an effect caused by the use of a write-back cache…
Answer : The union operator combines the results of two or more queries into a single result set…
Answer : Index is a database object which improves the efficiency of the query…
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.
Answer : Prior to Cassandra 1.2, every node was allocate to a particular token range.
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
Answer : Once you’ve absorbed that the strategy should fit the kind of environment you are placing your cluster in…
Answer : It is a Big Data framework which uses Hadoop Distributed File System to Store the data and MapReduce framework to process that data
Answer : Java makes the write procedure locked into the Java program.
Answer : Cassandra is build to manage big data workloads among multiple nodes with no single point of failure
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