Extracting Data for a Data Warehouse

question 44

Multiple Choice

Extracting data for a data warehouse

• A)cannot be done from flat files
• B)should only involve active files
• C)requires that the files be out of service
• D)all of the above

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Definitions:

Average Fixed Cost

The fixed costs of production divided by the quantity of output produced; these costs decline as production increases.

Marginal Cost

The financial cost of producing an extra unit of a good or service.

Average Total Cost

The total cost of production divided by the quantity of output produced.

Average Variable Cost

Represents the cost that varies with the level of output, calculated by dividing the variable costs by the quantity produced.