November 2014
Beginner to intermediate
164 pages
3h 32m
English
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Chapter 3. Advanced Data Modeling
So far, we have learned the basic building blocks of HBase schema designing and the CRUD operations over the designed schema. In this chapter, we are going to dive deep and learn the advanced level concepts of HBase, covering the following topics:
- Understanding keys
- HBase table scans
- Implementing filters
Let's get an insight into the listed advanced concepts of HBase.
Understanding keys
In HBase, we primarily have the following keys to handle data within the tables:
- Row Key: This provides a logical representation of an entire row, containing all the column families and column qualifiers
- Column Key: This is formed by combining the column family and the column qualifier
Logically, the data stored in cells is arranged in ...
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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.