The Primary Key of the Relation Added to Accomplish the Many-To-Many

question 27

Multiple Choice

The primary key of the relation added to accomplish the many-to-many relationship ____.

• A) must contain at least three attributes
• B) must contain at least four attributes
• C) is the primary key of one of the two relations involved in the many-to-many relationship
• D) does not involve the primary keys of either of the two relations involved in the many-to-many relationship
• E) is the combination of the primary keys of the two relations involved in the many-to-many relationship plus possible additional attributes

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Definitions:

Times Interest Earned Ratio

The times interest earned ratio is a financial metric used to measure a company's ability to meet its debt obligations by comparing its income before interest and tax (EBIT) to its interest expenses.

Interest Expense

The cost incurred by an entity for borrowed funds over a period of time.

Inventory Turnover Ratio

A measure of how often a company sells and replaces its stock of goods during a period, calculated as cost of goods sold divided by average inventory.

Gross Profit

The difference between revenue and the cost of goods sold before deducting overhead, payroll, taxation, and interest payments.