January 2018
Beginner to intermediate
412 pages
9h 33m
English
Content preview from Practical Big Data Analytics
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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.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.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.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.
JSON format
Consider the following table:
|
Firstname |
Lastname |
Information |
|
John |
15 |
Subject: History, Grade B |
|
Jack |
18 |
Subject: Physics, Grade A |
|
Jill |
17 |
Subject: Physics, Grade A+ |
The Information field contains a column containing multiple values categorized under Subject and Grade. Such columns that contain multiple data are also known as columns with nested data.
Portability has been an important aspect of transferring data from one system to another. In general, ODBC connectors are used to transfer data between database systems. Another common format is CSV files with the data represented as comma-separated values. CSV files are optimal for structured data that doesn't contain more complex data structures ...
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