What is aggregation with example in DBMS?

Aggregate Data. Aggregate data is, as the name says, data available only in aggregate form. Typical examples are: Turnout for each canton in federal elections: Count (aggregated from individual voters) compared to the overall number of citizens having the right to vote .

Aggregation is a term which is used to refer one way relationship between two objects . For example, Student class can have reference of Address class but vice versa does not make sense.

1 : a group, body, or mass composed of many distinct parts or individuals A galaxy is an aggregation of stars and gas. 2a : the collecting of units or parts into a mass or whole.

In aggregation, relationship with its corresponding entities is aggregated into a higher level entity . For example: Center entity offers the Course entity act as a single entity in the relationship which is in a relationship with another entity visitor.

In aggregation, relationship with its corresponding entities is aggregated into a higher level entity . For example: Center entity offers the Course entity act as a single entity in the relationship which is in a relationship with another entity visitor.

Aggregation is a term which is used to refer one way relationship between two objects . For example, Student class can have reference of Address class but vice versa does not make sense.