Modelling a relationship using ER diagram

StackOverflow https://stackoverflow.com/questions/19073645

Question

I am working Entity Relationship Diagram for my project... I am trying to represent the below lines in to my Entity Relationship Diagram-

An amtrak serves many cities, and a city may have multiple amtraks.

I am not able to post my image here with the solution I have as it needs atleast 10 reputation and which I don't have.

Can anyone tell me how we can represent the above relationship using ER diagram?

I was thinking of using One to Many?

Was it helpful?

Solution

You've got a many to many relationship.

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