In Database Systems,the DBMS Enforces Rules About Which Data Can

question 74

Multiple Choice

In database systems,the DBMS enforces rules about which data can be written in certain columns.The rules are known as ________.

• A)data insertion control
• B)data modification control
• C)concurrency control
• D)referential integrity constraints

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Definitions:

COGS

Cost of Goods Sold (COGS) refers to the direct costs associated with the production of goods sold by a company, including material and labor costs.

Gross Margin

Revenue less cost where cost is spending closely associated with production. Stated in dollars or as a percent of revenue. A fundamental measure of a business’s strength.

Net Income

The total profit of a company after all expenses and taxes have been deducted from revenues.

Dividends

Monetary distributions from a company to its shareholders, often based on the profits of the business.