12 Questions
How is data loaded into Pig?
Using the PigStorage function to interpret fields separated by commas
What is the purpose of the FILTER statement in Pig?
To include only records where a specific column meets a condition
Which statement in Pig is used to write filtered data to an output directory?
STORE
What does the LOAD statement do in Pig?
Loads data from HDFS
What role does the DUMP statement play in Pig?
Views the results of the processing
How does Pig differ from SQL in terms of processing statements?
Pig uses LOAD, TRANSFORM, and DUMP statements; SQL uses SELECT and FROM statements
What does the AVG function do in Pig?
Calculates the average of a numeric column
In Pig, how is data grouped before performing aggregation operations?
By using the GROUP operation
What does the JOIN operation in Pig do?
Performs an inner join between datasets
What does HiveQL in Hive stand for?
Hive Query Language
Which component of Hive is responsible for querying and analyzing large datasets?
Hive
In Hive, what determines the mode in which it operates?
Number of data nodes and size of data
Explore the stages of Pig operations, from loading data to transforming and viewing/storing results. Learn how Pig compares to SQL with examples and get insights into Pig's data model.
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