Janet Has Been Hired to Design a Database for a Music

question 79

Multiple Choice

Janet has been hired to design a database for a music store called WebMusic. The store sells CDs, which are to be included in the database. Janet plans to include many of the customers that visit the store in the database as well. She has designed fields for the database.
-In the WebMusic database,all previous and current CD orders will be included for each customer.Basic customer information,such as name,address,phone,and e-mail,will also be included for each customer.The relationship between the customer and his/her CD orders will likely be which of the following?

• A) many-to-many
• B) many-to-one
• C) one-to-many
• D) one-to-one

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Definitions:

Ectoderm

The outermost layer of cells or tissue of an embryo in early development, giving rise to the skin and nervous system.

Placenta

An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to the growing baby while removing waste.

Yolk

Nutritious material in many animal eggs.

Proteins

Large biomolecules consisting of one or more long chains of amino acid residues, vital for the structure, function, and regulation of the body's cells, tissues, and organs.