

MCQOPTIONS
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This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Rdbms knowledge and support exam preparation. Choose a topic below to get started.
1. |
________ is an abstraction through which relationships are treated as higher level entities |
A. | tCreation |
B. | tSuperseding |
C. | tAttribute separation |
D. | tAggregation |
Answer» E. | |
2. |
If each higher level entity belongs to the lower level entity, then what kind of generalization is it? |
A. | tModal generalization |
B. | tPartial generalization |
C. | tTotal generalization |
D. | tNone of the mentioned |
Answer» D. tNone of the mentioned | |
3. |
Condition defined generalization constraint is also said to be ________ |
A. | tAttribute defined |
B. | tConstraint defined |
C. | tValue defined |
D. | tUndefined |
Answer» B. tConstraint defined | |