October 2018
Intermediate to advanced
590 pages
15h 5m
English
Content preview from Building Applications with Spring 5 and Vue.js 2
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Logical data modeling
Now, let's create the logical data models of TaskAgile. In this stage, we will add attributes to each type of entity in the conceptual data model by going through user stories by theme and implementing the relationships between entities, as well as the subtypes we used.
Based on Users theme and Teams theme, we create the following logical data models:
Figure 5.20: Logical data model of User and Team entities
As you can see in Figure 5.20, for User entities, we use surrogate key ID as its primary key because even though Email Address and Username can be used to identify a user, they can be changed. The system-generated ...
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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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