Which of the following constructs are valid Pig Control Structures?
None of the Option is Correct
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If-else
For Loop
Until Loop
Category: Big Data Technology
Data can be supplied to PigUnit tests from:
Data can be supplied to PigUnit tests from:
HDFS Location and Within Program
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HDFS Files
All Options are Correct
DUMP Statement writes the output in a file.
DUMP Statement writes the output in a file.
FALSE
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TRUE
None of the Option is Correct
The schema of a relation can be examined through:
The schema of a relation can be examined through:
DESCRIBE
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DUMP
ILLUSTRATE
EXPLAIN
Parameters could be passed to Pig scripts from:
Parameters could be passed to Pig scripts from:
All Options are Correct
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Shell Script
Command Line
Configuration File
Pig is a:
“
Pig is a:
Data Flow Language
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Programming Language
Query Language
Database
A Map reduce job can be written in:
A Map reduce job can be written in:
Any Language which can read from input stream
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Python
Ruby
Java
Which of the following writables can be used to know value from a mapper/reducer?
Which of the following writables can be used to know value from a mapper/reducer?
Nullwritable
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IntWritable
Text
None of the Option is Correct
Distributed cache files can’t be accessed in Reducer.
Distributed cache files can’t be accessed in Reducer.
FALSE
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TRUE
Some
None of the Option is Correct
Which of the following class is responsible for converting inputs to key-value (c) Pairs of Map Reduce?
Which of the following class is responsible for converting inputs to key-value (c) Pairs of Map Reduce
RecordReader
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InputSplit
FileInputFormat
Mapper