What is a primary feature of the database model in web design?

The primary feature of the database model in web design is that it enables dynamic experiences based on user selections. This dynamic capability means that content can be customized and presented based on user interactions, preferences, and inputs, providing a more engaging and personalized user experience.

Databases allow for the storage, retrieval, and manipulation of data effectively, which is crucial for web applications that require real-time updates and user interactivity. For instance, an e-commerce website can display products based on user search queries, past behavior, or even recommendations, making the interaction more relevant and tailored to the individual user.

This capacity for dynamic interaction is what distinguishes database-driven web design from static designs, which remain unchanged and do not adapt to user input. Thus, the ability to create dynamic experiences is essential in modern web design and user experience, promoting higher user engagement and satisfaction.