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Welcome to the Introduction to Pig MCQs Page

Dive deep into the fascinating world of Introduction to Pig with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Introduction to Pig, a crucial aspect of Hadoop. In this section, you will encounter a diverse range of MCQs that cover various aspects of Introduction to Pig, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Hadoop.

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Check out the MCQs below to embark on an enriching journey through Introduction to Pig. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Hadoop.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Introduction to Pig. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Introduction to Pig MCQs | Page 3 of 6

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Q21.
The loader should use ______ method to communicate the load information to the underlying InputFormat.

a.

relativeToAbsolutePath()

b.

setUdfContextSignature()

c.

getCacheFiles()

d.

setLocation()

Discuss
Answer: (d).setLocation()
Q22.
____________ method enables the RecordReader associated with the InputFormat provided by the LoadFunc is passed to the LoadFunc.

a.

getNext()

b.

relativeToAbsolutePath()

c.

prepareToRead()

d.

all of the mentioned

Discuss
Answer: (c).prepareToRead()
Q23.
__________ method tells LoadFunc which fields are required in the Pig script.

a.

pushProjection()

b.

relativeToAbsolutePath()

c.

prepareToRead()

d.

none of the mentioned

Discuss
Answer: (a).pushProjection()
Q24.
A loader implementation should implement __________ if casts (implicit or explicit) from DataByteArray fields to other types need to be supported.

a.

LoadPushDown

b.

LoadMetadata

c.

LoadCaster

d.

All of the mentioned

Discuss
Answer: (c).LoadCaster
Q25.
Which of the following is shortcut for DUMP operator?

a.

\de alias

b.

\d alias

c.

\q

d.

None of the mentioned

Discuss
Answer: (b).\d alias
Q26.
Which of the following command is used to show values to keys used in Pig?

a.

set

b.

declare

c.

display

d.

all of the mentioned

Discuss
Answer: (a).set
Q27.
Use the __________ command to run a Pig script that can interact with the Grunt shell (interactive mode).

a.

fetch

b.

declare

c.

run

d.

all of the mentioned

Discuss
Answer: (c).run
Q28.
Which of the following command can be used for debugging?

a.

exec

b.

execute

c.

error

d.

throw

Discuss
Answer: (a).exec
Q29.
Which of the following file contains user defined functions (UDFs)?

a.

script2-local.pig

b.

pig.jar

c.

tutorial.jar

d.

excite.log.bz2

Discuss
Answer: (c).tutorial.jar
Q30.
Which of the following is correct syntax for parameter substitution using cmd?

a.

pig {-param param_name = param_value | -param_file file_name} [-debug | -dryrun] script

b.

{%declare | %default} param_name param_value

c.

{%declare | %default} param_name param_value cmd

d.

All of the mentioned

Discuss
Answer: (a).pig {-param param_name = param_value | -param_file file_name} [-debug | -dryrun] script
Page 3 of 6

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