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What is a UDF in Pig?


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More Apache Pig Interview Questions

What are the different Eval functions available in Pig?

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Differentiate between Hadoop MapReduce and Pig?

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Explain about the different complex data types in Pig?

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What is the difference between pig and hive?

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What are the relational operators available related to combining and splitting in pig language?

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You have a file employee.txt in the hdfs directory with 100 records. You want to see only the first 10 records from the employee.txt file. How will you do this?

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Explain totuple function?

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Explain count_star?

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Explain about the bloommapfile?

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Differentiate between piglatin and hiveql?

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What are the components of Pig Execution Environment?

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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?

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