The Earliest DBAs Were Based on the Hierarchical Data Model

question 99

True/False

The earliest DBAs were based on the hierarchical data model.

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Definitions:

Competitive Market System

An economic system where many buyers and sellers interact in the marketplace, with the forces of supply and demand determining prices and output levels.

Innovation

Innovation is the process of translating an idea or invention into a good or service that creates value or for which customers will pay.

Economic Profits

Profits in excess of what is considered normal or expected, considering both explicit and implicit costs.

Five Fundamental Questions

Key questions in economics that address what to produce, how to produce, for whom to produce, when to produce, and where to produce goods and services.