MCQOPTIONS
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MCQOPTIONS
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 | |