Which of the Following Is a Clue That a Database

question 14

Multiple Choice

Which of the following is a clue that a database needs to be redesigned?

• A) Key fields are defined for each table.
• B) One-to-many relationships are defined for each table.
• C) There are multiple tables in the database.
• D) There is redundant data in one or more tables.

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Definitions:

Statistical Inference

The process of using data analysis to deduce properties of an underlying probability distribution.

Observational Study

Research where the researcher observes and measures variables without manipulating them, allowing for the study of natural behavior and relationships.

Nominal Scale

A measurement scale used in classifications that involve categorizing data without implying any order or numerical difference between them.

Ratio Scale

A quantitative scale where there is a true zero point and the intervals between different values are meaningful, allowing for the comparison of absolute magnitudes of the numbers.