## DATA MODEL

ORANIZE DATA OF TWO DISTINCT BUT CLOSELY RELATED CONCEPTS OF REAL WORLD

A **data model** is model that organizes two distinct but closely related concepts or elements of data and standardizes how they relate to one another and to the properties of real-world entities.

## DATA SET

COLLECTION OF DATA

A **data set** is a collection of data. In the case of tabular data, a **data set** corresponds to one or more database tables, where every column of a table represents a particular variable, and each row corresponds to a given record of the **data set** in ANALYSIS