Which of the Following Statements Is Not True for Primary

question 23

Multiple Choice

Which of the following statements is not true for primary keys in a relational database system?

• A)They can be used to create relationships between tables.
• B)They must contain numeric data.
• C)They uniquely identify a row in a table.
• D)They can be part of relational integrity constraints.

---

Definitions:

Protocol

A collection of protocols that regulate the sharing or transfer of information between devices.

URL

Uniform Resource Locator, the address of a specific webpage or file on the Internet.

Privacy Policies

Documents or statements that disclose some or all of the ways a party gathers, uses, discloses, and manages a customer or client's data.

Voip

Voice over Internet Protocol, a technology that allows voice communications and multimedia sessions over Internet Protocol networks, such as the internet.