In the Relational Database Model

question 50

Multiple Choice

In the relational database model

• A)relationships are explicit
• B)the user perceives that files are linked using pointers
• C)data is represented on two-dimensional tables
• D)data is represented as a tree structure

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Definitions:

Sailboats

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Surfboards

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Opportunity Cost

The cost of forgoing the next best alternative when making a decision or choosing one option over another.

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A graph that shows the highest production potential for two different products based on specific resources and factors.