Jul 28, 2014 · The article presents how to model inheritance and what are the features of each solution. In the process of designing our entity relationship diagram for a database, we may find that attributes of two or more entities overlap.

Apr 25, 2015 · ER modeling (or, more precisely, EER modeling) has a way to represent inheritance in the diagram. It goes by the name "generalization/specialization". You can find a number of good articles on the web by searching on this.

Mar 11, 2025 · An Entity Relationship Diagram (ERD) is a graphical representation that shows how entities, such as people, objects, or concepts, relate to each other within a system. ERDs are commonly used in database design to visualize the relationships between entities …

By establishing inheritance relationships between entities, we can model the similarities and differences between them, leading to a more efficient and flexible database schema. Throughout this article, we have explored the best practices for using IS-A relationship in an ER diagram.

Mar 2, 2023 · In my Spring Boot app, I have an entity relationship diagram as shown below and looking for a proper way for displaying inheritance on it. I have a look at dozens of pages, but could not find any example (most of them use different kind of diagrams).

Entity relationship diagrams (ERD) or ER models represent the data in any system. You can use them to illustrate how data is structured in business processes, or to detail how data is stored within relational databases.

Oct 7, 2019 · There are several ways to model inheritance in a database. Which you choose depends on your needs. Here are a few options: Table-Per-Type (TPT) Each class has its own table.

Feb 23, 2021 · In this article, we covered how to model inheritance in databases and how to convert a logical database model that includes an inheritance hierarchy to a physical model.

When displaying a Class with attributes in a diagram, you can also show the inherited attributes from all parents in the element's type hierarchy (that is, the element's ancestors). In the 'Show Element Compartments' panel, select the 'Inherited Attributes' checkbox.

Mermaid syntax for ER diagrams is compatible with PlantUML, with an extension to label the relationship. Each statement consists of the following parts: <first-entity> [<relationship> <second-entity> : <relationship-label>]