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Business Intelligence Dictionary: Entity Relationship (E/R) Diagrams | NSBI

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It is important for developers that they get an overview of available data, relationships and architecture. This is where Entity Relationships (E/R) diagrams are introduced.

Entity Relationship (E/R) Diagrams | Definition

Data is grouped in rows and columns, then grouped in tables and views. Next step is to apply relationships between the tables. This is the foundation of relational database design. E/R Diagrams are there to help visualize the relationships between tables in a database.

NSBI Tutorials aim to make Business Intelligence (BI) and Data Warehousing (DWH) attractive to non-technical people as well as to those who are now entering the field and are excited by the numerous ways data is changing our world. NSBI Tutorials are written and delivered by Nick Shopov, (BI Software Developer & DWH Consultant).

Entity Relationship (E/R) Diagrams | Example

Entity Relationship ER Diagram