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Answer to Question #75325 in Databases | SQL | Oracle | MS Access for Jonny

Question #75325
At company X, an Employee may have none or many Dependents. A Dependent may only be in a single Employee's insurance. What is the cardinality of the relationship between Employee and Dependent?

Unary
One-to-Many
One-to-One
Many-to-Many
Expert's answer
One to Many. Because as you said Employee may have many Dependents, but a Dependent can be only in a single Employee.

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