Entities and Attributes in Databases for Followers-Following Systems
Entities in a social media app database represent various concepts of user connections, activity feeds, notifications, privacy settings, and recommendation systems, while attributes describe their characteristics. Common entities and their attributes may include:
User Table
- UserID (Primary Key): Unique identifier for each user.
- Username, Email: User’s login credentials and contact information.
- ProfilePicture: URL or reference to the user’s profile picture.
- Bio: User’s profile description or biography.
Connection Table
- ConnectionID (Primary Key): Unique identifier for each connection.
- FollowerID, FollowingID: Identifiers for the follower and the user being followed.
- Timestamp: Date and time when the connection was established.
Activity Feed Table
- FeedID (Primary Key): Unique identifier for each activity feed item.
- UserID: Identifier for the user associated with the activity.
- ActivityType: Type of activity (e.g., post, like, comment).
- ContentID: Identifier for the content associated with the activity (e.g., post ID).
- Timestamp: Date and time when the activity occurred.
Notification Table
- NotificationID (Primary Key): Unique identifier for each notification.
- UserID: Identifier for the user receiving the notification.
- NotificationType: Type of notification (e.g., new follower, like, mention).
- SenderID: Identifier for the user who triggered the notification.
- Timestamp: Date and time when the notification was sent.
How to Design Database for Followers-Following Systems in Social Media Apps?
Database design plays a crucial role in the functionality and performance of social media platforms, especially in managing features like followers and following relationships. These systems are central to user engagement, content discovery, and social interactions on social media apps.
In this article, we’ll explore the essential principles of designing databases tailored specifically for managing followers-following systems in social media applications, ensuring scalability, efficiency, and seamless user experiences.
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