Describe the Different Types of Keys Illustrated in Database Design

question 4

Essay

Describe the different types of keys illustrated in Database Design Language (DBDL) and how they are notated.

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Definitions:

Rule Based

An approach or system governed by explicit, predefined rules or regulations that dictate the operation or decision-making process.

Outsourced

The practice of having certain job functions or tasks performed outside a company instead of by the company’s own employees.

Repetitive

Involves actions or events occurring in a regular and predictable pattern.

Unpredictable

Not able to be predicted or foreseen; capable of happening without any prior indication.