What is one-to-many association?

1.	What is one-to-many association?
Answer» In One-to-Many mapping association, an object can be can be associated with multiple objects. For example Employee object relates to many Certificate objects. A One-to-Many mapping can be implemented using a Set java collection that does not contain any duplicate element. <one-to-many> element of set element indicates that one object relates to many other objects.

Answer»

In One-to-Many mapping association, an object can be can be associated with multiple objects. For example Employee object relates to many Certificate objects.

A One-to-Many mapping can be implemented using a Set java collection that does not contain any duplicate element.

<one-to-many> element of set element indicates that one object relates to many other objects.

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What is one-to-many association?

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