In Contrast to Data in a Database, Data in a Data

question 68

Multiple Choice

In contrast to data in a database, data in a data warehouse is described as subject oriented, which means that it _____.

• A)captures aggregated data
• B)manages data transactions
• C)focuses on a specific area
• D)categorizes based on time

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Definitions:

Depolarization

The process in which a cell's membrane potential becomes less negative, moving towards zero, typically initiating nerve impulses or muscle contractions.

Resting Potential

Electrical charge across the insulating cell membrane in the absence of stimulation; a store of potential energy produced by a greater negative charge on the intracellular side relative to the extracellular side.

Hyperpolarization

An increase in a cell's membrane potential, making it more negative and decreasing the likelihood of generating an action potential.

Semipermeable Membrane

A barrier that allows certain molecules or ions to pass through it by diffusion while blocking others, often used in osmosis.