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Mohamad Eskandarane Questions
11022 Questions
X→ Y is trivial if
Database
2022-07-16
Answers
30
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40
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888
X → Y holds on a schema k(K) if
Database
2022-07-16
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30
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887
If K → R then K is said to be the _______ of R
Database
2022-07-16
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30
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885
An instance of a relation that satisfies all real world constraints is known as
Database
2022-07-16
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429
State true or false: Redundancy is desired in a relational schema
Database
2022-07-16
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416
State true or false: Composite attributes have non-atomic domains
Database
2022-07-16
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If all the domains are atomic then the relational schema is in ________ normal form
Database
2022-07-16
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395
A domain whose elements are indivisible is called as ______
Database
2022-07-16
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419
If the decomposition is able to represent all the facts about the relation then such a decomposition is called as
Database
2022-07-16
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371
If the decomposition is unable to represent certain important facts about the relation, then such a decomposition is called as
Database
2022-07-16
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449
The dependency rules specified by the database designer are known as _______
Database
2022-07-16
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468
Which of the following is not a feature of a good relational design
Database
2022-07-16
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423
State true or false: If a relation consists of a foreign key, then it is called a referenced relation of the foreign key dependency
Database
2022-07-16
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487
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11022
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