In a Relational Database, Every Record Must Be Uniquely Identified

question 23

Multiple Choice

In a relational database, every record must be uniquely identified by a _____. ​

• A) primary key
• B) super key
• C) remote key
• D) candidate key

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Definitions:

Procurement

Procurement is the process of finding, agreeing to terms, and acquiring goods, services, or works from an external source, often via a tendering or competitive bidding process.

Sourcing

The process of identifying, evaluating, and securing suppliers or sources for goods and services that a company needs to operate.

Supplier Selection Criteria

The set of standards or benchmarks used to evaluate and choose suppliers based on factors like quality, reliability, cost, and service.