Data model
The data model is a crucial component of the Twitter-like service, as it defines the structure and relationships of the data entities involved. A well-designed data model ensures efficient storage, retrieval, and manipulation of data while supporting the functional requirements of the system. Let’s dive into the key entities and their relationships. Figure 11.1 captures the UML-style class diagram for the different data models and how they interact with each other.
Figure 11.1: UML-style class diagram for different data models
Figure 11.1’s UML-style class diagram provides a comprehensive visual representation of the data model for our Twitter-like service. It illustrates the key entities (User, Tweet, Follow, Like, Retweet, and DirectMessage) along with their attributes and the relationships between them. The diagram clearly depicts the one-to-many and many-to-many relationships, such as users posting multiple tweets or following...
