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Mohamad Eskandarane Questions
11022 Questions
If A→B, A→ C then which of the following is true
Database
2022-07-16
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30
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1072
State true or false: Functional dependencies are transitive
Database
2022-07-16
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30
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532
Armstrong axioms are called sound because
Database
2022-07-16
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510
State true or false: Armstrong’s axioms allow us to generate all F+ for any given F
Database
2022-07-16
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1113
If a functional dependency is reflexive, B is a subset of A and A is the set of attributes, then
Database
2022-07-16
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545
If F is a set of functional dependencies, then the closure of F is denoted by
Database
2022-07-16
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551
A functional dependency f on R is _______ by a set of functional dependencies F on r if every instance of r(R) that satisfies f also satisfies F
Database
2022-07-16
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526
State true or false: A functional dependency must first satisfy the second normal form to satisfy the third normal form
Database
2022-07-16
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550
State true or false: The fourth normal form does not exist and it is instead called as the BCNF
Database
2022-07-16
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30
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545
F+ is called as the ________ of F
Database
2022-07-16
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560
Which of the following is not a condition for the third normal form in the case of X→Y
Database
2022-07-16
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1088
Which of the following is used to express database consistency
Database
2022-07-16
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30
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530
Which of the following is not a condition for X→ Y in Boyce codd normal form
Database
2022-07-16
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30
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1163
Total:
11022
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