When Transforming an ID-Dependent E-R Data Model Relationship into a Relational

question 28

Multiple Choice

When transforming an ID-dependent E-R data model relationship into a relational database design,the referential integrity constraints should allow ________.

• A)parent updates to cascade
• B)child updates to cascade
• C)child deletes to cascade
• D)Both A and B are correct

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Definitions:

Threading

The process of creating a screw thread on a cylinder or cone to allow for parts to be screwed together.

Floating Caliper Pins

Components of a disc brake system that allow the caliper to move slightly so it can center itself over the rotor, ensuring even wear of the brake pads.

Chassis Grease

A lubricant used on the chassis of vehicles to reduce friction and prevent wear and tear on moving parts.

Disc Brake Service

Maintenance and repair tasks related to the disc brake system of a vehicle, including pad replacement and rotor resurfacing.