List the functions of Spark SQL?

483

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What is RDD?

488

---

How to create RDD?

500

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Does Apache Spark provide check pointing?

406

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Explain about the popular use cases of Apache Spark

430

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Do you need to install Spark on all nodes of Yarn cluster while running Spark on Yarn?

651

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What are the different String functions available in pig?

825

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Differentiate between the physical plan and logical plan in Pig script?

780

---

What are the use cases of Apache Pig?

808

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What do you understand by an inner bag and outer bag in Pig?

861

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Explain different execution modes available in Pig?

791

---

How do users interact with HDFS in Apache Pig ?

759

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what are the basic parameters of a Mapper?

820

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What is a MapReduce Combiner?

808

---

Where is Mapper output stored?

861

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