1. The online site has members, each of whom is identified by a
unique member number
and is described by an e-mail address, name, password, home
address, and phone
number.
2. A member may be a buyer or a seller.
3. A buyer has a shipping address recorded in the database.
4. A seller has a bank account number and routing number recorded
in the database.
5. Items are placed by a seller for sale and are identified by a
unique item number
assigned by the system. Items are also described by an item title,
a description, and
price
6. Items are also categorized based on a fixed classification
hierarchy (for example, a
modem may be classified as COMPUTER → HARDWARE → MODEM).
7. The buyer and seller may record feedback regarding their
completed transactions.
8. Feedback contains a rating of the other party participating in
the transaction (1–10) and
a comment.
Design an enhanced entity–relationship (EER) diagram for the
online_store database.
In: Computer Science
IT-244: Introduction to Database
*Please, i need Unique answer, use your own words (do not copy and paste).
*Please, do not use handwriting. (no need for picture)
Type your ideas/definitions/examples into the message field to the following discussion prompt:
Discussion Topics:
Assume that you have a Saudi football league player database. In this database, you have a table containing players’ attributes such as (Name, age, position, etc.) and you decided to add information about players’ agents. Would you represent the agent information as attributes in the player table or would you create an entity set for players’ agents? Justify your answer.
Note: Provide answers in your own words. Read the comments of your classmates and post at least TWO responses to their comments.
Marking Criteria:
For your Original Post: Maximum 1 mark
For your Two Responses: Maximum 0.5 mark (0.25 for each response)
In: Computer Science
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B. empirical evidence from Newly Industrialised Countries of South
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C. protectionism and its consequences;
D. an argument on free trade vs protectionism.
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