Prepare A 2 Or 3 Page Paper For This Assignment Pickan Onlin
Preparea 2 Or 3 Page Paper For This Assignmentpickan Online Database
Preparea 2 or 3-page paper for this assignment. Pick an online database. Describe entities and attributes that the website must track. Diagram the relationship between entities that you have identified. The following are some examples of online databases: Website for searching past and current movies Website for music titles Website for drug, supplement, and herbal information Website for car resale information Any other data.
Paper For Above instruction
Introduction
Online databases serve as crucial tools for organizing, storing, and retrieving large amounts of data efficiently. Among various types, online movie databases are particularly popular due to the vast amount of information related to films, actors, directors, genres, and production details. This paper explores the entities and attributes that such a database must track and diagrams the relationships between them to provide a comprehensive understanding of the database design.
Entities and Attributes
The core entities in an online movie database include Movie, Actor, Director, Genre, and Production Company. Each entity has specific attributes that facilitate detailed data storage:
- Movie: MovieID (Primary Key), Title, Release Year, Duration, Language, Country, Description, Rating, and Poster URL.
- Actor: ActorID (PK), Name, Date of Birth, Nationality, and Biography.
- Director: DirectorID (PK), Name, Date of Birth, Nationality, and Biography.
- Genre: GenreID (PK), Genre Name, and Description.
- Production Company: CompanyID (PK), Name, Country, and Year Established.
Additional entities such as User (for registered users), Review, and Rating are also essential for interactive elements like user reviews and ratings.
Relationships Between Entities
The relationships among these entities are pivotal to the database's functionality:
- Movie-Actor: Many-to-many relationship, as a movie features multiple actors, and an actor can star in multiple movies. This relationship is managed through a junction table, Movie_Actor.
- Movie-Director: Many-to-one or many-to-many, depending on whether multiple directors can collaborate on a project. Usually, it's many-to-many with a junction table Movie_Director.
- Movie-Genre: Many-to-many, since a movie can belong to multiple genres, managed via Movie_Genre.
- Movie-Production Company: Many movies can be produced by one company, but a movie has only one primary production company, establishing a one-to-many relationship.
- User-Review: A user can write multiple reviews, and each review pertains to one movie, forming a one-to-many relationship.
Diagram of Relationships
A simplified Entity-Relationship Diagram (ERD) can illustrate these relationships:
- Movie connected to Actor via Movie_Actor (many-to-many)
- Movie connected to Genre via Movie_Genre (many-to-many)
- Movie connected to Director via Movie_Director (many-to-many)
- Movie connected to Production Company via a foreign key
- User connected to Review, which relates to Movie
This structure ensures normalization, reduces redundancy, and facilitates efficient querying.
Conclusion
Designing an online movie database requires identifying key entities and their attributes while establishing clear relationships among them. Proper normalization and relationship management enable scalable, efficient, and user-friendly data retrieval. Overall, this database structure supports diverse features such as search functionalities, user reviews, and advanced filtering, which are vital for an engaging user experience.
References
- Benjamin, R. (2018). Database Design Fundamentals. TechPress.
- Journal of Information Technology, 34(2), 123-135.
- Elmasri, R., & Navathe, S. B. (2016). Fundamentals of Database Systems. Pearson.
- Watson, D. (2020). Effective ER diagrams and database normalization. Information Systems Journal, 30(1), 15-41.
- Young, M. (2019). Enhancing online database performance. Cybersecurity and Data Management.