What Are the Primary Differences Between a Data Warehouse and a Data

question 21

Multiple Choice

What are the primary differences between a data warehouse and a data mart?

• A) Data warehouses make quick decisions; data marts make slow decisions
• B) Data warehouse tackle ethical issues; data marts tackle hypothetical issues
• C) Data warehouses have a more organization wide focus; data marts have functional focus
• D) Data warehouses have a physical focus; data marts have logical focus.

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Definitions:

Empirical Formula

The simplest expression of a compound's composition, showing the ratio of elements without structural information.

Elemental Analysis

Elemental analysis is a process by which the composition of chemical substances is determined, identifying the quantity of each element within a compound.

Acid/Base Reaction

A chemical reaction that involves the transfer of hydrogen ions (H+) between a proton donor (acid) and a proton acceptor (base).

Conjugate Acid

The species created when a base gains a proton (H+), forming a pair in which the acid and base differ only by one hydrogen atom.