7. One-to-many (or many-to-one) relationships
Example of a one-to-many relationship
Think about a mother and her children.
A mother can have many children
A child can have only one mother
this would be known as a 'one-to-many relationship'
This relationship can be portrayed diagramatically as:
Challenge see if you can find out one extra fact on this topic that we haven't already told you
Click on this link: ER one to many
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