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An aggregation association is drawn using which symbol?

An aggregation association is drawn using which symbol? Correct Answer A small open diamond at the end of a line connecting two tables

The correct answer is "option 2".

CONCEPT:

Association means if two objects need to communicate with each other then there must be a link that connects them represented by an association(connector).

Example: Owner can associate with pet

In aggregation, the relationship between two objects exists in such a way that they are independent of each other. 

Example: Class A and Class B

In composition, the relationship between two objects exists in such a way that they are dependent on each other. 

Example: House and room  {Room doesn't exist without house}

Hence, an aggregation association is drawn using a small open diamond at the end of a line connecting two tables.

Additional Information

Aggregation and Composition are subsets of Association.

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