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Chapter 12: Database Management System Exam Tests
Database Management System MCQs - Chapter 12
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MCQ 6: In a relation schema, each key of schema having more than one key is classified as
MCQ 7: In the data model schemas, the constraints that are can not be expressed directly are classified as
MCQ 8: The cardinality in relational data model is considered as
MCQ 9: The constraint violated when the given value of attribute is not included in the corresponding domain is
MCQ 10: If two or more constraints are violated by using insert operation then by default the
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