July 30, 2024
Question 3 Every Boyce-Codd Normal Form(BCNF) decomposition is A dependency preserving B not dependency preserving C need not be dependency preserving D none of these Database-Management-SystemFunctional-Dependency […]
August 6, 2024
Question 377 Relations and fields can be renamed in relational algebra using the renaming operator A p B σ C Θ D ⟕ Database-Management-SystemRelational-AlgebraCIL 2020 Correct […]
August 7, 2024
Question 18 The relation scheme Student Performance (name, courseNo, rollNo, grade) has the following functional dependencies: name, courseNo → grade rollNo, courseNo → grade name → […]
August 7, 2024
Question 591 Consider the following sequence of two transactions on a bank account(A) with initial balance 20,000 that transfers 5,000 to another account (B) and then […]
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