September 2016
Beginner to intermediate
326 pages
6h 47m
English
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Data Sources API
The Data Sources API provides a single interface for loading and storing data using Spark SQL. In addition to the built-in sources, this API provides an easy way for developers to add support for custom data sources. All available external packages are listed at http://spark-packages.org/. Let's learn how to use built-in sources and external sources in this section.
Read and write functions
The Data Sources API provides generic read and write functions that can used for any kind of data source. Generic read and write functions provide two functionalities as given in the following:
- Parses text records, JSON records, and other formats and deserializes data stored in binary
- Converts Java objects to rows of Avro, JSON, Parquet, and HBase ...
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O’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.
I 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.
I’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.
I'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.