| 91. | In the data model schemas, the constraints that are expressed directly are classified as |
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Answer: (a).explicit constraints
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| 92. | In relational database schemas, the transition constraints are also known as |
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Answer: (b).dynamic constraints
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| 93. | A row of table in relational model terminology is classified as |
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Answer: (d).tuple
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| 94. | The constraint which is used to specify the consistency in two or more relations among tuples is classified as |
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Answer: (b).entity integrity constraint
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| 95. | The ordered list of all the n-values is classified as |
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Answer: (d).all of above
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| 96. | The state in which the database follows all the integrity constraints is classified as |
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Answer: (a).valid state
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| 97. | The column header of table in relational model terminology is classified as |
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Answer: (a).attribute
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| 98. | The operation which violates only one constraint called referential integrity when it is performed is called |
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Answer: (c).Delete operation
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| 99. | The distribution in which each row denote some related values collection is classified as |
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Answer: (d).table
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| 100. | When the foreign key refers to a tuple which does not exists in subjected relation then the constraint violated is |
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Answer: (b).referential integrity
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