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Modern Data Engineering with Apache Spark: A Hands-On Guide for Building Mission-Critical Streaming Applications
book

Modern Data Engineering with Apache Spark: A Hands-On Guide for Building Mission-Critical Streaming Applications

by Scott Haines
March 2022
Beginner to intermediate
595 pages
12h 53m
English
Apress
Content preview from Modern Data Engineering with Apache Spark: A Hands-On Guide for Building Mission-Critical Streaming Applications
© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2022
S. HainesModern Data Engineering with Apache Sparkhttps://doi.org/10.1007/978-1-4842-7452-1_3

3. Working with Data

Scott Haines1  
(1)
San Jose, CA, USA
 

The last chapter introduced you to the Spark architecture and programming model. We took a quick tour of the core Spark components and APIs and finished up with an exercise that introduced you to the spark-shell and the DataFrame API. You also saw your first glimpse of the Spark SQL API, which empowers you to express complex analytical queries quickly and easily in a structured way. It also that cleanly abstracts away the underlying complexities when composing difficult SQL expressions.

In this chapter, we continue ...

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