1. Entity-Relationship Diagram (ERD) Entities: User UserID (Primary Key) Name Email Password DateOfBirth Restaurant RestaurantID (Primary Key) Name Category Location Preference PreferenceID (Primary Key) UserID (Foreign Key) Category Like LikeID (Primary Key) UserID (Foreign Key) RestaurantID (Foreign Key) Relationships: A User can have multiple Preferences A User can Like multiple Restaurants. generate ERD, EERD, USECASE, General Diagram, DFD, CFD | Fantasy