In the Database Redesign Process,an SQL Tool That Is Useful

question 72

Multiple Choice

In the database redesign process,an SQL tool that is useful for testing whether or not certain conditions or assumptions are valid is ________.

• A)UPDATE
• B)DROP TABLE
• C)CREATE TRIGGER
• D)NOT EXISTS

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Definitions:

Economic Profit

The profit a firm or individual makes after deducting both explicit and implicit costs.

Imperfect Substitutes

Goods or services that can replace each other to some extent, but have differences in features, quality, or price that make them not completely interchangeable.

Brand Names

Names given to products or services by companies to distinguish them from competitors.

Profit-maximizing Price

The price level at which a business can achieve the highest possible profits, given its cost structure and demand for its products.