August 29, 2024
Question 100 Number of tuples obtained by applying cartesian product over X and Y are : A 16 B 12 C 04 D 32 E Correct […]
August 29, 2024
Question 903 Let R(A,B,C,D,E,F) be a relational schema with following functional dependencies: C->F,E->A,EC->D,A->B Which of the following is a key for R? A CD B EC […]
August 31, 2024
Question 17 Consider the relation Student (name, sex, marks), where the primary key is shown underlined, pertaining to students in a class that has at least […]
August 31, 2024
Question 66 Consider the following log sequence of two transactions on a bank account, with initial balance 12000, that transfer 2000 to a mortgage payment and […]
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