January 2019
Intermediate to advanced
460 pages
10h 33m
English
Content preview from Hands-On Full-Stack Web Development with GraphQL and React
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Many-to-many relationships
Facebook provides users with various ways to interact. Currently, we only have the opportunity to request and insert posts. As in the case of Facebook, we want to have chats with our friends and colleagues. We will introduce two new entities to cover this.
The first entity is called Chat, and the second is called Message.
Before starting with the implementation, we need to lay out a detailed plan of what those entities will enable us to do.
A user can have multiple chats, and a chat can belong to multiple users. This relationship gives us the opportunity to have group chats with multiple users, as well as private chats, between only two users. A message belongs to one user, but every message also belongs to one ...
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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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