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Pig For Wrangling Big Data (Udemy.com)

Extract, Transform and Load data using Pig to harness the power of Hadoop

Created by: Loony Corn

Last updated November 2016

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What you will learn

  • Work with unstructured data to extract information, transform it and store it in a usable form
  • Write intermediate level Pig scripts to munge data
  • Optimize Pig operations which work on large data sets

How it compares

Against the other 150 rated Udemy courses in Hadoop on CourseDuck:

  • Rating4.0 out of 5higher than 18% of them
  • Reviews103#113 of 151 by number of reviews
  • Length5.4 hoursshorter than 52% of them
  • Last updatedNovember 2016earlier than 93% of them

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Course Description

Prerequisites: Working with Pig requires some basic knowledge of the SQL query language, a brief understanding of the Hadoop eco-system and MapReduce 

Taught by a team which includes 2 Stanford-educated, ex-Googlers  and 2 ex-Flipkart Lead Analysts. This team has decades of practical experience in working with large-scale data processing jobs. 

Pig is aptly named, it is omnivorous, will consume any data that you throw at it and bring home the bacon!

Let's parse that 

omnivorous: Pig works with unstructured data. It has many operations which are very SQL-like but Pig can perform these operations on data sets which have no fixed schema. Pig is great at wrestling data into a form which is clean and can be stored in a data warehouse for reporting and analysis.

bring home the bacon: Pig allows you to transform data in a way that makes is structured, predictable and useful, ready for consumption.

What's Covered: 

Pig Basics: Scalar and Complex data types (Bags, Maps, Tuples), basic transformations such as Filter, Foreach, Load, Dump, Store, Distinct, Limit, Order by and other built-in functions.

Advanced Data Transformations and Optimizations: The mind-bending Nested Foreach, Joins and their optimizations using "parallel", "merge", "replicated" and other keywords, Co-groups and Semi-joins, debugging using Explain and Illustrate commands

Real-world example: Clean up server logs using Pig

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Instructor Details

Loony Corn

Loonycorn is us, Janani Ravi and Vitthal Srinivasan. Between us, we have studied at Stanford, been admitted to IIM Ahmedabad and have spent years  working in tech, in the Bay Area, New York, Singapore and Bangalore.

Janani: 7 years at Google (New York, Singapore); Studied at Stanford; also worked at Flipkart and Microsoft

Vitthal: Also Google (Singapore) and studied at Stanford; Flipkart, Credit Suisse and INSEAD too

We think we might have hit upon a neat way of teaching complicated tech courses in a funny, practical, engaging way, which is why we are so excited to be here on Udemy!

We hope you will try our offerings, and think you'll like them :-)

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Reviews

4.0

103 ratings on Udemy

Select a bar to show only those reviews.Select the bar again to show every rating.

By Kanchan on 5/12/2021

Very well explained - 1. Where to use ping 2 How it is different from other BIG data technologies like Hive Java. I always had this doubt. Thanks for the detail explanation. I am loving it .

By Bielo López Lauber on 7/12/2019

It is an excellent course and is combined with good explanations and the clarity that characterizes the group of professionals that make it up.

By Natarajan Selvam on 10/20/2018

Explanation is good and super but could have been better if they had come up with practical example session along. If you want to understand the concept and when and how to use it is good session to take up but note there is no hands-on covered in this course.

By Zahid Sharief on 9/10/2018

The details regarding Hadoop installation should be there at the starting lectures of the course so that students aren't under the impression that the course assumes one has already setup Hadoop on his system.

By Yaseen Khan on 5/7/2018

Excellent very through and covers all the very important stuff for u to understand clearly. Fantastic!!!

By Ian Watt on 12/11/2017

Well presented. Slow pace. Knowledgeable presenters. But the fonts on the slides need to be better. Not always particularly readable.

By Prathamesh Bandivadekar on 11/27/2017

so far, the examples tat are shown are very basic. i tried to execute the commands mentioned in the attached script file, resulting in errors.

By Avnish Gupta on 9/8/2017

LoonyCorn has best content, best presentation skills and best instructors which have in depth knowledge.

By Gary Brown on 8/9/2017

Should have done the Linux and Hadoop install walk through first. Also could have set up sessions for users to complete the taught skills. Information was good and clear, with a good pace.

By Ansuman P on 7/27/2016

This course is one of best Pig Course in Udemy. Every thing about pig in a bundle i.e. Pig Basics to Data Transformations with rel world examples.Excellent course that make yourself more confident about Pig.This i s another Super engaging course from an expert. Great course - absolutely recommendable :-)

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Overall Score : 80 / 100