Database-Management-System
August 29, 2024Database-Management-System
August 29, 2024Database-Management-System
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Question 333
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onsider the expression t ε instructor ⋏∃ s ∈ department (t [dept_name] = s [dept_name])
The variables t and s are ______________ respectively.
The variables t and s are ______________ respectively.
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Free variable and bound variable
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Bound variable and free variable
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Free variable and free variable
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Bound variable and bound variable
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Question 333 Explanation:
If the variables is used along with quantifiers ∃ and ∀ then that variable is bounded variable otherwise it is a free variable.
Correct Answer: A
Question 333 Explanation:
If the variables is used along with quantifiers ∃ and ∀ then that variable is bounded variable otherwise it is a free variable.