Big Data Interview Questions
Questions Answers Views Company eMail

What are the relational operators available related to combining and splitting in pig language?

76

Highlight the key differences between MapReduce and Apache Pig?

63

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

92




State the usage of 'filters', 'group' , 'orderBy', 'distinct' keywords in pig scripts?

76

Mention the common features in Pig and Hive?

138

What are the debugging tools used for Apache Pig scripts?

86

Differentiate between Hadoop MapReduce and Pig?

74

What is a UDF in Pig?

85

Differentiate between GROUP and COGROUP operators?

68

What is BloomMapFile?

78

Highlight the difference between group and Cogroup operators in Pig?

82

How would you diagnose or do exception handling in the pig?

115

What are the relation operations in Pig? Explain any two with examples?

123

Differentiate between Pig Latin and Pig Engine?

140

What is the function of co-group in Pig?

158







Un-Answered Questions { Big Data }

How to use Apache Zookeeper command line interface?

236


Input Split & Record Reader and what they do?

153


What are the components used in Hive query processor?

100


What are the most commonly defined input formats in Hadoop?

288


What are active and passive "NameNodes"?

364






What are the different Complex Data Types available in Hive?

95


What is difference between regular file system and HDFS?

233


What is safe mode in Hadoop?

216


if you run Hive as a server?

168


What is the difference between external table and managed table?

83


What is Row Key?

189


What is difference between split and block in hadoop?

623


What is the difference between SQL and NoSQL?

214


Explain different execution modes available in Pig?

134


what is NameNode in Hadoop?

81