Explain about the scalar datatypes in Apache Pig?

967

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Explain the uses of PIG?

1008

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What are the complex datatypes in pig?

1024

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What does illustrate do in Apache Pig?

967

---

What is UDF?

958

---

What are the different types of UDF's in Java supported by Apache Pig?

1093

---

What is the usage of foreach operation in Pig scripts?

914

---

How will you merge the contents of two or more relations and divide a single relation into two or more relations?

971

---

What is the MapReduce plan in pig architecture?

1099

---

What are the advantages of pig language?

922

---

What are the different execution mode available in Pig?

1092

---

Define Spark Streaming.

427

---

Hadoop uses replication to achieve fault tolerance. How is this achieved in Apache Spark?

428

---

What is lineage graph?

472

---

What are benefits of Spark over MapReduce?

470

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