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You have a file personal_data.txt in the HDFS directory with 100 records. You want to see only the first 5 records from the employee.txt file. How will you do this?
The difference between GROUP and COGROUP operators in Pig?
What are the relation operations in Pig? Explain any two with examples?
What is hadoop pig?
What does illustrate do in Apache Pig?
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Different running modes for running Pig?
What is a MapFile?
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When to use hadoop, hbase, hive and pig?
What is the primary purpose of the pig in the hadoop architecture?
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