Data Processing with Pig MCQ question and answer with solution

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Which of the following is shortcut for DUMP operator?

A) \de alias B) \d alias C) \q D) None of the mentioned

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Point out the correct statement.

A) Invoke the Grunt shell using the "enter" command B) Pig does not support jar files C) Both the run and exec commands are useful for debugging because you can modify a Pig script in an editor D) All of the mentioned

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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

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Answer & Solution

Answer: Option A

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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

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Answer & Solution

Answer: Option C

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Point out the wrong statement.

A) You can run Pig scripts from the command line and from the Grunt shell B) DECLARE defines a Pig macro C) Use Pig scripts to place Pig Latin statements and Pig commands in a single file D) None of the mentioned

Discuss

Answer & Solution

Answer: Option B

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Which of the following command can be used for debugging?

A) exec B) execute C) error D) throw

Discuss

Answer & Solution

Answer: Option A

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Which of the following file contains user defined functions (UDFs)?

A) script2-local.pig B) pig.jar C) tutorial.jar D) excite.log.bz2

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Answer & Solution

Answer: Option C

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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 & Solution

Answer: Option A

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You can specify parameter names and parameter values in one of the ways?

A) As part of a command line. B) In parameter file, as part of a command line C) With the declare statement, as part of Pig script D) All of the mentioned

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Answer & Solution

Answer: Option D

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. . . . . . . . are scanned in the order they are specified on the command line.

A) Command line parameters B) Parameter files C) Declare and default preprocessors D) Both parameter files and command line parameters

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

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Data Processing with Pig MCQ question and answer with solution | Hadoop MCQs