Extracted Data,particularly When It's Extracted from Multiple Sources,is Not in Usable

question 38

Multiple Choice

Extracted data,particularly when it's extracted from multiple sources,is not in usable format.Because of this problem,__________ tools have to map the field names of the same data types;and then reformat the data itself into a standard format.

• A)data transformation and loading
• B)data extraction and transformation
• C)data query and reporting
• D)data visualization

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Definitions:

Wicked Problems

Large, complex social problems where there is no clear solution; where there is limited, confusing, or contradictory information available; and where a whole range of people with conflicting values engage in debate.

Overpopulation

A condition where an environment's population exceeds the carrying capacity, often leading to environmental degradation and resource depletion.

Life Expectancy

The average period that an individual is expected to live, based on demographic factors such as age, sex, and health conditions.

Earned-Income Activities

The sale of products or services that are used as a source of revenue generation.