Relational algebra examples

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.

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.