Consider the Following SQL Query

question 12

Multiple Choice

Consider the following SQL query.Which item best describes the results of the query?SELECT VendorID,Sum(POTotal) FROM [Purchase Orders]GROUP BY VendorID

• A)Displays all purchase order lines for all vendors.
• B)Adds new purchase order information to the purchase orders table.
• C)Displays the vendor ID and all purchase order totals in the purchase orders table.
• D)Displays the vendor ID and the sum of all purchase order totals for that vendor.

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Definitions:

Economies of Scale

The cost advantages that enterprises obtain due to their scale of operation, with cost per unit of output generally decreasing with increasing scale.

Diseconomies of Scale

The situation where a company or business grows so large that the costs per unit increase, leading to inefficiency.

Constant Returns to Scale

A condition in production where increasing the inputs results in a proportional increase in output.

Diseconomies of Scale

A condition in which a firm experiences increased costs per unit when it scales up its production due to inefficiencies.