Question: Consider an employee entity set with the attribute phone-number, attribute phone-number is a ________
Answer:
An Employee may have zero, one or several phone numbers and different employees may have different numbers of phones.
MCQ: Consider an employee entity set with the attribute phone-number, attribute phone-number is a ________
Explanation:
An Employee may have zero, one or several phone numbers and different employees may have different numbers of phones.
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Related Questions
- 1. For example, the customer entity set has an attribute loan-taken, which represents how many loans a customer has from the bank, the attribute loan-taken is______
- 2. An Attribute takes a ________value when an entity does not have a value for it.
- 3. A______is a set of relationships of the same type among several entities
- 4. The Relationship sets that involve two entity sets in known as___
- 5. The number of Entity sets that participate in a relationship set is know as ____________ of Relationship
- 6. ______ is the restrictions imposed to maintain the data integrity of the database
- 7. For a Binary relationship set R between entity sets A and B, the ________ express the number of entities to which another entity can be associated.
- 8. For a Binary relationship set R between entity sets A and B,the ________ express the number of entities to which another entity can be associated.
- 9. For a binary relationship set R between entity sets A and B, the Mapping Cardinality is ONE TO ONE if
- 10. For a binary relationship set R between entity sets A and B,the Mapping Cardinality is ONE TO MANY if
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