Answer / Vivek Garg

Apache Pig is case-insensitive for function names and user-defined functions, but is case-sensitive for table names.

What is Flatten and what it do in PIG?

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Is Pig script case sensitive?

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List the relational operators in pig.

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What is the difference between Pig and MapReduce?

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Explain the difference between COUNT_STAR and COUNT functions in Apache Pig?

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When we write a= load …, what does 'a' called?

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I have a relation r. How can I get the top 10 tuples from the relation r?

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Write a Pig UDF Example ?

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The difference between GROUP and COGROUP operators in Pig?

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What are the differences between PIG and HIVE?

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Mention the common features in Pig and Hive?

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Different running modes for running Pig?

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