Big Data Interview Questions
Questions Answers Views Company eMail

What are the different pig data types?

70

Explain about the different complex data types in Pig?

61

What is a relation in Pig?

78




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

150

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

104

What is the use of having Filters in Apache Pig ?

76

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

65

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

67

What are the various diagnostic operators available in Apache Pig?

101

What is a bag in Pig Latin?

126

What are the different Relational Operators available in pig language?

83

What are the different ways of executing Pig script?

70

Explain the LOAD keyword in Pig script?

60

What is a MapFile?

77

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

72







Un-Answered Questions { Big Data }

Is client the end user in HDFS?

259


List the functions of Spark SQL?

80


What is the Reducer used for?

216


What is SerDe in Apache Hive ?

80


Is a job split into maps?

213






If a data Node is full how it's identified?

165


What is Hadoop Map Reduce ?

79


What is the difference between traditional RDBMS and Hadoop?

318


Can there be no Reducer?

159


How businesses could be benefitted with Big Data?

42


shouldn't DFS be able to handle large volumes of data already?

323


What is a partition in Hive?

89


What is the purpose of dfsadmin tool?

476


How can I install Cloudera VM in my system?

204


What is RDD?

98