Entities and Attributes of the Customer Reviews and Ratings Platform
Entities serve as the building blocks of our database, representing the fundamental objects or concepts that need to be stored and managed. Attributes define the characteristics or properties of each entity. Let’s explore each entity and attribute in detail:
1. User
- user_id (Primary Key): Unique identifier for each user.
- username: Username of the user.
- email: Email address of the user.
- password: Encrypted password of the user.
- role: Role of the user (e.g., admin, regular user).
2. Product
- product_id (Primary Key): Unique identifier for each product.
- product_name: Name of the product.
- description: Description of the product.
- category: Category of the product (e.g., electronics, clothing).
3. Review
- review_id (Primary Key): Unique identifier for each review.
- product_id (Foreign Key referencing Product): Identifier of the product being reviewed.
- user_id (Foreign Key referencing User): Identifier of the user leaving the review.
- rating: Rating given by the user for the product (e.g., 1 to 5 stars).
- review_text: Text of the review.
4. Comment
- comment_id (Primary Key): Unique identifier for each comment.
- review_id (Foreign Key referencing Review): Identifier of the review to which the comment belongs.
- user_id (Foreign Key referencing User): Identifier of the user leaving the comment.
- comment_text: Text of the comment.
How to Design a Relational Database for Customer Reviews and Ratings Platform
A customer reviews and ratings platform allows users to leave reviews and ratings for products or services. Designing a relational database for such a platform involves defining entities, attributes, and relationships to efficiently store and manage this information.
This article will explore the key components involved in designing a database for a customer reviews and ratings platform, including the entities User, Product, Review, and Comment.