Words Used by a System That Cannot Be Used for Any

question 15

Multiple Choice

Words used by a system that cannot be used for any other purpose are called _____ words. For example, in Oracle SQL, the word INITIAL cannot be used to name tables or columns.

• A) reserved
• B) unique
• C) null
• D) character

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Definitions:

Monopoly Firms

Companies that are the sole providers of a product or service in a market, facing no competition.

Barriers of Entry

Obstacles that make it difficult for new competitors to enter a market, including high startup costs, strict regulations, and established brand loyalty.

Cost Advantage

The benefit gained by a company when it produces goods or services at a lower cost compared to its competitors.

Typical Investor

An average or representative investor who reflects the general behaviors and preferences of the larger investing public.