Work with Diagram Layout (Visual Database Tools)
Applies to: 
SQL Server
Azure SQL Database
Azure SQL Managed Instance
Analytics Platform System (PDW)
You can customize the way your database diagrams look.
In This Section
Customize the Amount of Information Displayed in Diagrams (Visual Database Tools)
Add Text Annotations to Diagrams (Visual Database Tools)
Autosize Selected Tables in Diagrams (Visual Database Tools)
Arrange Tables in Diagrams (Visual Database Tools)
Change the Font Color, Size, and Style in Diagrams (Visual Database Tools)