Answer / Naveen Chand

A User Defined Function (UDF) in Apache Pig allows users to define custom functions that can be used within the Pig Latin language. These functions extend the built-in functionality of Pig, enabling users to apply their own logic to the data being processed. UDFs are written in Java or other languages compatible with Hadoop.

is it posible to join multiple fields in pig scripts?

1 Answers  

---

Does Pig differ from MapReduce? If yes, how?

1 Answers  

---

What is the use of BloomMapFile?

1 Answers  

---

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

1 Answers  

---

Explain about the bloommapfile?

1 Answers  

---

Highlight the difference between group and Cogroup operators in Pig?

1 Answers  

---

Name the scalar data type and complex data types in Pig?

1 Answers  

---

Explain the architecture of Hadoop Pig?

1 Answers  

---

Why should we use ‘distinct’ keyword in Pig scripts?

1 Answers  

---

What is the difference between logical and physical plans?

1 Answers  

---

What are the different UDF’s in Pig?

1 Answers  

---

What is the use of binstorage?

1 Answers  

---