| 81. | In the data model schemas, the constraints that are can not be expressed directly are classified as |
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Answer: (d).all of above
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| 82. | The cardinality in relational data model is considered as |
| Discuss |
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Answer: (a).total number of values
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| 83. | The constraint violated when the given value of attribute is not included in the corresponding domain is |
| Discuss |
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Answer: (a).domain constraint
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| 84. | If two or more constraints are violated by using insert operation then by default the |
| Discuss |
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Answer: (b).insert is rejected
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| 85. | In the data model, the inherent constraints are classified as |
| Discuss |
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Answer: (d).implicit constraints
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| 86. | The multi-valued dependencies and functional dependencies are classified as category of |
| Discuss |
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Answer: (b).data dependencies
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| 87. | The model in which the multi-valued and composite attributes is considered as |
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Answer: (b).flat relational model
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| 88. | The type of constraint in which value of each attribute (X) must be an indivisible value from domain (X) is classified as |
| Discuss |
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Answer: (c).domain constraint
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| 89. | The constraints which deals with the changes in the database are classified as |
| Discuss |
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Answer: (d).transition constraints
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| 90. | The multivalued dependencies used to develop relational design theory of database is classified as |
| Discuss |
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Answer: (b).normalization
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