Database Management Systems (3130703) MCQs
MCQs of Data Models
| 31. |
Relationship between 2 entities is called relationship.
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Answer:
Option (b) |
| 32. |
Relationship between 3 entities is called _________relationship.
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Answer:
Option (c) |
| 33. |
Which of the following atrribute is Composite Attribute?
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Answer:
Option (a) |
| 34. |
Which of the following is an Multi-valued attribute?
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Answer:
Option (c) |
| 35. |
Which of the following is an Derived attribute?
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Answer:
Option (a) |
| 36. |
Attributes of the relationship is called __________ attribute.
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Answer:
Option (d) |
| 37. |
The same entity participates in a relationship set more than once then it is called _________
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Answer:
Option (b) |
| 38. |
Below given is an example of which mapping cardinality? A customer is connected with only one loan using the relationship borrower and a loan is connected with only one customer using borrower.
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Answer:
Option (a) |
| 39. |
Below given is an example of which mapping cardinality? A loan is connected with only one customer using borrower and a customer is connected with more than one loans using borrower.
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Answer:
Option (b) |
| 40. |
Below given is an example of which mapping cardinality? A customer is connected with more than one loan using borrower and a loan is connected with more than one customer using borrower.
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Answer:
Option (d) |
