Explain about the scalar datatypes in Apache Pig?
Explain the uses of PIG?
What are the complex datatypes in pig?
What does illustrate do in Apache Pig?
What is UDF?
What are the different types of UDF's in Java supported by Apache Pig?
What is the usage of foreach operation in Pig scripts?
How will you merge the contents of two or more relations and divide a single relation into two or more relations?
What is the MapReduce plan in pig architecture?
What are the advantages of pig language?
What are the different execution mode available in Pig?
Define Spark Streaming.
Hadoop uses replication to achieve fault tolerance. How is this achieved in Apache Spark?
What is lineage graph?
What are benefits of Spark over MapReduce?