When Transforming an E-R Data Model into a Relational Database

question 25

Multiple Choice

When transforming an E-R data model into a relational database design,the key of the parent entity should be placed as part of the primary key into the child entity ________.

• A)when the child entity is ID-dependent
• B)when the child entity is non-ID-dependent
• C)when the child entity has a 1:1 relationship with the parent entity
• D)when the child entity has a 1:N relationship with the parent entity

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Definitions:

Online Auctions

A virtual marketplace where buyers bid for products or services offered for sale over the internet, with the highest bid at auction close winning the item.

Discontinued Inventory

Stock items that are no longer being produced or supplied by the manufacturer.

Supply Chain

The network of all activities, individuals, resources, and technology involved in the creation and sale of a product, from raw materials to delivery to the end user.

Warehousing

The act of storing goods in a large building or warehouse for distribution, sale, or future use.