August 2022
Beginner to intermediate
424 pages
10h 19m
English
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10 Database operations
A cloud is a cloud
This chapter covers
- Fetching data from the database
- Storing data in the database
- Manipulating data fetched from the database
Traditionally in OOP, we use design patterns and complex layers of objects to structure access to the database. In DOP, we prefer to represent data fetched from the database with generic data collections, namely, lists of maps, where fields in the maps correspond to database column values. As we’ll see throughout the chapter, the fact that fields inside a map are accessible dynamically via their names allows us to use the same generic code for different data entities.
💡Tip The best way to manipulate data is to represent data as data.
In this chapter, we’ll illustrate the application ...
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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.
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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.