Mastering data modeling concepts

In this section, we will explore in detail essential data modeling concepts that every data engineer must be familiar with. Data modeling is the process of structuring and organizing data to represent real-world entities, their attributes, and the relationships between them. A solid understanding of data modeling concepts is crucial for designing efficient and accurate databases.

The following diagram depicts three different data models that can be found in a database:

Figure 9.5 – Three different types of data models

Let’s look at these in more detail:

• Conceptual data model: The conceptual data model represents high-level business concepts and relationships without concerning itself with implementation details. It focuses on capturing essential entities, their attributes, and the associations between them. The conceptual data model serves as a communication tool between data engineers, stakeholders...