Skip to Content
Introducing .NET for Apache Spark: Distributed Processing for Massive Datasets
book

Introducing .NET for Apache Spark: Distributed Processing for Massive Datasets

by Ed Elliott
April 2021
Beginner to intermediate
269 pages
5h 8m
English
Apress
Content preview from Introducing .NET for Apache Spark: Distributed Processing for Massive Datasets
© Ed Elliott 2021
E. ElliottIntroducing .NET for Apache Sparkhttps://doi.org/10.1007/978-1-4842-6992-3_6

6. Spark SQL and Hive Tables

Ed Elliott1  
(1)
Sussex, UK
 

In this chapter, we are going to look at the Apache Spark SQL API. The SQL API allows us to write queries conforming to a subset of ANSI SQL:2003, which is the standard for the SQL database query language. The SQL API means we can store our data in files, probably in a data lake, and we can write SQL queries that access the data.

Before Apache Spark, Apache Hive was created by Facebook as a way to run SQL queries over data stored in Hadoop or even the Hadoop Distributed File System (HDFS). Apache Hive is made up of a “metastore” that is a set of metadata about files that allows developers ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services
QuotationMarkO’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.
Julian F.
Head of Cybersecurity
QuotationMarkI wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.
Addison B.
Field Engineer
QuotationMarkI’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.
Amir M.
Data Platform Tech Lead
QuotationMarkI'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Mark W.
Embedded Software Engineer

You might also like

Beginning Apache Spark Using Azure Databricks: Unleashing Large Cluster Analytics in the Cloud

Beginning Apache Spark Using Azure Databricks: Unleashing Large Cluster Analytics in the Cloud

Robert Ilijason
Distributed Data Systems with Azure Databricks
Joins in Kafka Streams
Natural Language Processing with Spark NLP

Publisher Resources

ISBN: 9781484269923Purchase LinkPublisher Website