Related InterviewSolutions

• In comparison to SQL, Pig uses ______________(a) Lazy evaluation(b) ETL(c) Supports pipeline splits(d) All of the mentionedThis question was posed to me during an interview for a job.This interesting question is from Pig in Practice in portion Pig of Hadoop
• 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 mentionedThis question was addressed to me during an interview for a job.Question is taken from Data Processing Operators in Pig topic in division Pig of Hadoop
• Which of the following file contains user defined functions (UDFs)?(a) script2-local.pig(b) pig.jar(c) tutorial.jar(d) excite.log.bz2I got this question during an online exam.This interesting question is from Data Processing Operators in Pig in division Pig of Hadoop
• 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 mentionedThe question was posed to me in an online quiz.The above asked question is from Data Processing Operators in Pig topic in division Pig of Hadoop
• Which of the following command can be used for debugging?(a) exec(b) execute(c) error(d) throwThe question was posed to me in semester exam.This question is from Data Processing Operators in Pig in section Pig of Hadoop
• 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 mentionedThis question was posed to me at a job interview.Origin of the question is Data Processing Operators in Pig in section Pig of Hadoop
• 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 mentionedI have been asked this question in an interview for internship.Question is from Data Processing Operators in Pig in chapter Pig of Hadoop
• 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 mentionedThis question was addressed to me in a job interview.My question comes from Data Processing Operators in Pig in section Pig of Hadoop
• 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 mentionedThe question was posed to me in final exam.I need to ask this question from Data Processing Operators in Pig topic in section Pig of Hadoop
• __________method tells LoadFunc which fields are required in the Pig script.(a) pushProjection()(b) relativeToAbsolutePath()(c) prepareToRead()(d) none of the mentionedThe question was asked in an international level competition.This interesting question is from User-defined Functions in Pig topic in division Pig of Hadoop