Answer / Ankit Tyagi

Common Hadoop Pig interview questions include:n1. What is Apache Pig and what are its key features?n2. How does Pig use MapReduce for data processing?n3. Explain the difference between Relational Operators and UDFs in Pig.n4. Describe the loading and storing of data in Pig.n5. What are some common performance issues faced while using Pig, and how can they be addressed?n6. How would you handle exceptions in Pig scripts?n7. Can you explain the concept of Aliasing in Pig?

Is the keyword ‘FUNCTIONAL’ a User Defined Function (UDF)?

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What are the different ways of executing Pig script?

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List the diagnostic operators in pig.

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Compare apache pig and sql?

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How should 'load' keyword is useful in pig scripts?

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How to write 'foreach' statement for bag datatype in pig scripts?

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Explain about the execution plans of a pig script?<Br> or<br> differentiate between the logical and physical plan of an apache pig script?

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While writing evaluate UDF, which method has to be overridden?

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Explain hive udf function?

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Whether Pig Latin language is case-sensitive or not?

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

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Explain jsonloader, jsonstorage functions in pig?

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