When Implementing the Physical-Level Design, for Secondary Keys, You Must

question 7

Multiple Choice

When implementing the physical-level design, for secondary keys, you must ensure that it is possible to retrieve data rapidly based on a value of which key?

• A) primary
• B) secondary
• C) alternate
• D) foreign

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Definitions:

Rules

Directives or instructions that guide behavior or operations in systems, organizations, or software.

Fiber-Optic

Refers to the technology and medium associated with the transmission of information as light pulses along a glass or plastic fiber.

Electromagnetic Interference

Disturbance generated by external sources that affects an electrical circuit by electromagnetic induction, electrostatic coupling, or conduction, potentially causing performance degradations or malfunctions in electronic devices.

Radio Frequency Interference

Unwanted disturbances generated by electrical devices, affecting the operation of other systems by overlapping with their operational frequencies.