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:

Effectiveness

The degree to which something is successful in producing a desired result or outcome.

Blind Observer

An individual who measures or assesses research data without knowing the hypotheses or participants' group assignments to avoid bias.

Spontaneous Remission

The unexpected improvement or cure of a disease or condition that appeared permanently, without medical intervention.

Therapies

Treatment methods aimed at relieving illness or psychological problems.