SQL Server nested table

Question

Persons: theoretically, unlimited number of persons can be registered in the system. Contact information linked to each person should also be able to be added without limits.

• UUID
• Name
• Surname
• Company

Communication information:

• Information Type: Telephone Number, E-mail Address, Location
• Information Content

Report:

• Location information
  • Most -> Least to be listed by their number of locations
• The number of people registered in the directory at that location
• Number of phone numbers registered in the phone book at that location

I have 2 tables, how should the relationship be between them and I am confused since the Communication information attribute has 2 attributes in itself. Should communication information be in a separate table?

Answer 1

I would suggest to divide this into three tables:

• Persons(UUID,Name,Surname,Company)
• CommunicationType(Telephone Number, E-mail Address,)
• CommunicationInformation(Person_ID,CommunicationType_ID, ......)