See the requirement in attached file. file name The goal of the projects throughout The goal of

See the requirement in attached file. (file name- The goal of the projects throughout)

The goal of the projects throughout this semester is to implement a “prototype” database system application for an eCommerce social-network system called UCOnline where users can explore information about books/music/software, rate your purchase, identify purchase price and see ratings of their friends.
The project will require your teams (see attached for group member breakout) to complete the assignment. Below you will find the ERD deliverable requirements. Each assignment has a specific grading rubric (scheme) associated with the assignment.
BUSINESS REQUIREMENTS ACROSS ALL ASSIGNMENTS
· You will work with book/music/media information, user information, ratings of books, and users’ social network
· Each book has an id, title, publication date, publisher, ISBN, functional category, page count, price (publisher), and product description
· There are 3 categories of book: fiction, non-fiction, and specialty
· There are 2 categories of music: digital and media-based
· An author can write one or more books.
· A musician can be a solo artist, part of a group, or both
· An author can also be associated with one or more publishers.
· A musician/group/act can be associated with one or more music houses
· An author’s book can have one or more editions.
· A song and or album can have more than one version/edition (i.e. EP, LP, CD, DVD etc)
· A publisher can have many authors and many books.
· A record company can have many artists associated and many albums associated with it.
· A record company can also be the publishing company (i.e. self-publishing)
· Many ISBNs can also be associated with a given publisher but only one ISBN per form of medium (ie the ISBN is the PK no matter what).
· An author can write many books.
· An artist can write many songs, albums etc.
· UCOnline needs to keep track of user ratings for each item sold in the online store (e.g., 1-5 and 1 for ‘Dislike’, to 5, for ‘Awesome!’).
· A particular user rates a particular item at a given time.
· A user CANNOT rate the same multiple times unless there are multiple editions of the item. Each edition can be rated separately.
· Each user who submits a rating will be identified by a unique id and has a name, gender, age, and location. Nothing is anonymous.
There is also a social network between users. Users can send communication requests (i.e. instant messages/emails) to other users. Such requests can be accepted or ignored. Once accepted, the two users are considered ‘book buddies.’ If ignored, the user can send the request again. We want to add a store when the requests were sent (timestamp), the result of the requests and when the request was answered (timestamp).
Tools can be used to prepared the ERD Diagram
1- erdpresentation.mp4
2- erd_508 ( We prefer MS Visio)- file attached.
Visio — We need to use this tool. Microsoft Visio.
Visual Paradigm Online
SQLDBM
Draw.io
ERDPlus
Lucidchart
Note:- You need to send two file one VISIO where you can have ERD Diagram and One MS Word with description.

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