How do we represent a subtype?

404

posted on 07 Mar 25

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Post Comment

npack01-Apr-25

Can you pls try the below, seems to work for me

Customer

CustomerID int PK

Name varchar(100)

Address1 string

Address2 string

City string

Business_Customer

Business_Customer_ID int PK FK > Customer.CustomerID

Virtual_Customer

Virtual_Customer_ID int PK FK > Customer.CustomerID