January 2019
Intermediate to advanced
754 pages
18h 13m
English
book
Implementing Azure: Putting Modern DevOps to Use
by Florian Klaffenbach, Oliver Michalski, Markus Klein, Mohamed Wali
Content preview from Implementing Azure: Putting Modern DevOps to Use
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Problem
State data in traditional applications is represented through a set of entities. The entities are stored in a single data repository against which two types of operations can take place.
- Commands: Operations that modify state
- Queries: Operations that read state
An operation cannot both update state and return data. This distinction of operations helps simplify understanding the system. The segregation of operations into commands and queries is called the Command Query Separation (CQS) pattern. The CQS pattern requires the commands to have void return type and the queries to be idempotent.
If a relational database such as SQL Server is used for storing state, the entities may represent a subset of rows in one or more tables in the ...
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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.