A Primary Key

question 9

Multiple Choice

A primary key:

• A) must include letters.
• B) must contain a unique value for each record within a table.
• C) has the same value for all records in a relational database.
• D) is a unique record within a relational database.

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Definitions:

Point-Of-Sale Computers

Computerized systems used in retail environments to conduct sales transactions, manage inventory, and record customer purchases.

Short-Term Forecasts

Predictions about future events or trends that are expected to occur within a relatively brief time period.

Short-Range Forecasts

Predictions about future events or trends focusing on a short period, often used for immediate planning or decision-making.

Job Assignments

The allocation of tasks, responsibilities, or projects to employees or team members within an organization.