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

question 96

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
• E)when the child entity has a recursive relationship with the parent entity

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Definitions:

Interchangeable Parts

Components that are made to such precise standards that they can fit into any assembly of the same type, improving efficiency and repair.

Manufacturing

The process of converting raw materials, components, or parts into finished goods that meet a customer's expectations or specifications.

Advanced Metals

Metals that have been engineered or processed to have superior properties, such as strength, durability, or conductivity, for use in advanced technologies.

Technological Advancements

are the improvements and innovations in technology that enhance efficiency, productivity, and quality of life, often leading to new products, processes, and services.