Pig For Wrangling Big Data | Data Science Online Course by Udemy

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

An excellent training about Data Science

Pig For Wrangling Big Data

Prerequisites: Working with Pig requires some basic knowledge of the SQL query language, a brief understanding of theHadoop eco-system andMapReduceTaught byateam which includes 2Stanford-educated, ex-Googlers and 2 ex-Flipkart Lead Analysts. This team has decades of practical experience in working with large-scaledata processing jobs. Pig is aptly named, it is omnivorous, will consume any data that you throw at it and bringhome the bacon! Let’s parse thatomnivorous: Pig works with unstructured data. It has many operations which are very SQL-like but Pig can perform these operationson 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 asFilter, 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 commandsReal-world example: Clean up server logs using Pig

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