Big Data Interview Questions
Questions Answers Views Company eMail

What are the different pig data types?

44

Explain about the different complex data types in Pig?

39

What is a relation in Pig?

55




Explain the difference between COUNT_STAR and COUNT functions in Apache Pig?

104

How should 'store' keyword is useful in pig scripts?

74

What is the use of having Filters in Apache Pig ?

45

How to write 'foreach' statement for map datatype in pig scripts?

37

What are the basic steps to writing a UDF Function in Pig?

49

What are the various diagnostic operators available in Apache Pig?

61

What is a bag in Pig Latin?

89

What are the different Relational Operators available in pig language?

58

What are the different ways of executing Pig script?

43

Explain the LOAD keyword in Pig script?

39

What is a MapFile?

48

Name the scalar data type and complex data types in Pig?

45







Un-Answered Questions { Big Data }

How can you connect an application

221


What are the components of Apache Pig platform?

110


What is UDF?

164


What is the Job interface in MapReduce framework?

186


How to Administering Hadoop?

155






What is the utility of using Writable Comparable Custom Class in Map Reduce code?

174


What is the purpose of Hive Driver?

238


What problems can be addressed by using Zookeeper?

156


What is the difference between Hadoop and Traditional RDBMS?

154


What is Apache Flume?

7


How can Flume be used with HBase?

5


How will you merge the contents of two or more relations and divide a single relation into two or more relations?

162


How is reporting controlled in hadoop?

41


Explain JobConf in MapReduce.

44


Command to format the NameNode?

130