Object Oriented Data Modeling
The term Incomplete for a UML has the same meaning as which of the following for an EER diagram?

Overlapping rule
Total specialization rule
Disjoint rule
Partial specialization rule

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Object Oriented Data Modeling
Aggregation is which of the following?

Expresses an is-a relationship and is a stronger form of an association relationship.
Expresses a part-of relationship and is a stronger form of an association relationship.
Expresses a part-of relationship and is a weaker form of an association relationship.
Expresses an is-a relationship and is a weaker form of an association relationship.

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