What Is the Main Difference Between a Conceptual Model and a Physical

question 102

Multiple Choice

What is the main difference between a conceptual model and a physical model?

• A)A physical model represents the shape and form while a conceptual model describes how a system behaves.
• B)A conceptual model represents the shape and form while a physical model describes how a system behaves.
• C)Physical models can only be used to represent the real world.
• D)Conceptual models can only be used to describe concepts.
• E)Physical models and conceptual models can be used to describe the same things.

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Definitions:

Metadata

Data that provides information about other data, often used for describing contents, quality, condition, and other characteristics.

Data Quality

Refers to the condition of a set of values of qualitative or quantitative variables that are accurate, reliable, and relevant for making decisions.

Relational Database

A relational database is a type of database that organizes data into tables which can be linked—or related—based on data common to each.

Data Hierarchy

Data hierarchy is a systematic organization of data, often in a hierarchical form, that starts with the smallest unit of data and aggregates up to more complex forms like databases or data warehouses.