510457
Description
Mind Map by CGreen1997, updated more than 1 year ago
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Created by CGreen1997
about 10 years ago
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Relationships
- Relationships are
the way the entities
are related.
- One-to-one
- A husband can only have one wife
- A husband can only have one wife
- One-to-many
- A mother can have many children but
a child can only have one mother.
- A mother can have many children but
a child can only have one mother.
- Many-to-many
- A video can be hired by many customers
and customers can have many videos.
- A video can be hired by many customers
and customers can have many videos.
- One-to-one
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