The Attribute Hierarchy Provides a Top-Down Data Organization That Is

question 79

Multiple Choice

The attribute hierarchy provides a top-down data organization that is used for two main purposes: ____ and drill-down/roll-up data analysis.

• A) hierarchy
• B) de-normalization
• C) normalization
• D) aggregation

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Communication Channel

The medium through which a message is transmitted from sender to receiver, which can range from verbal and written to electronic methods.

Proficiency

The level of skill or competence someone has in a particular activity or field.

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