I have a relation r. How can I get the top 10 tuples from the relation r?
How does apache spark work?
How many layers of Hadoop components are supported by Apache Ambari and what are they?
What are the benefits of Spark over MapReduce?
How many filters are available in HBase?
What do you understand by Data Replication in Cassandra?
What is the syntax of describe Command?
What is reduce side join in mapreduce?
What is connection_loss error?
What are different modes of execution in Apache Pig?
Explain the Scope operators used in hbase?
Explain the Single point of Failure in Hadoop?
What are 2 v’s less known dimension of big data?
What is the role of the kafka producer api.
Explain the input type/format in mapreduce by default?