Database - Data Modeling MCQ Questions

Описание: MCQ Questions and Answers about Database - Data Modeling

Most Important questions with answers in the subject of Database - Data Modeling are given in this video with four choices and correct answer


Database - Data Modeling

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Q.1. 1. In tuple relational calculus P1 → P2 is equiv...
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Q.2. 2. A logical schema...
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Q.3. 3. Related fields in a database are grouped to for...
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Q.4. 4. The database environment has all of the followi...
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Q.5. 5. The way a particular application views the data...
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Q.6. 46. Consider the join of a relation R with relatio...
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Q.7. 47. The natural join is equal to :...
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Q.8. 48. Which one of the following is not true for a v...
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Q.9. 49. A primary key if combined with a foreign key c...
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Q.10. 50. In E-R Diagram relationship type is represente...
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