Critical Thinking Questions Case 10-2 in Your Database Course, Your

question 52

Multiple Choice

Critical Thinking Questions Case 10-2 In your database course, your instructor has given you a small database that has a lot of invalid data, issuing the challenge to you that you work to apply validation rules to the data and determine what checks need to be applied in order to restore integrity to the data. The instructor tells you that this is a mailing database, and yet you can see at a glance that there are some records with no data in the city field. What kind of check should you run on this field?

• A) completeness check
• B) consistency check
• C) range check
• D) check digit

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Definitions:

Annual Rings

Concentric rings visible in the cross-section of a tree trunk representing a year's worth of growth; used to estimate age and historical climate conditions.

Tropical Rain Forest

A dense, warm, wet forest biome located near the equator, known for its high biodiversity and as the habitat for half of the Earth's plant and animal species.

Outward-Facing

Directed towards the exterior or outside of something.

Water Loss

The process through which water leaves the body or a system, which can occur through evaporation, excretion, or transpiration in plants.