Learn how to compare and contrast three common ERD models for database design: Chen, Barker, and UML. Discover their criteria, strengths, weaknesses, and best practices.

This is just for an example skill to use visio software for a healthcare data project's ERD (entity relaitonship diagram) diagram, which will use for a healthcare database in SSMS, facilitating SQL ...

For example, you can use comments to indicate an attribute’s possible values; metadata to specify data type, length, format, default value or validation rule; and diagrams to show generalization ...