A Relation Is in Second Normal Form (2NF)if and Only

question 53

Multiple Choice

A relation is in second normal form (2NF) if and only if it is in 1NF and ________.

• A)all non-key attributes are determined by the entire primary key
• B)there are no non-key attributes determined by another non-key attribute
• C)every attribute is a candidate key
• D)every candidate key is a determinant

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Definitions:

Quantity Demanded

The amount of a good or service consumers are willing and able to purchase at a given price.

Price

The cost at which a product or service is offered for sale in the marketplace.

Market Demand Curve

A graphical representation of the quantity of goods being purchased at different prices within a market.

Individual Demand Curves

Graphs showing the relationship between the price of a good and the quantity of that good a single consumer is willing to buy at various prices.