What Does a Primary Key Do

question 23

Multiple Choice

What does a primary key do?

• A)Identifies each row of a table.
• B)Selects a number of rows from a database.
• C)Stores a bunch of related data.
• D)None of the above.

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Definitions:

Standards

Established criteria or benchmarks against which performance, quality, and compliance are measured.

Direct Labor Variance

The difference between the budgeted cost of direct labor and the actual cost incurred, used to assess labor efficiency and cost control in production.

Per-unit Standards

Defined benchmarks for the amount of materials, labor, and overhead costs that should be used in producing a single unit of a product.

Direct Labor Hours

The total time workers spend directly manufacturing a product or providing a service.