May 3, 2024
Question 17 Consider the following relation schema pertaining to a students database: Student (rollno, name, address) Enroll (rollno, courseno, coursename) Where the primary keys are shown […]
May 3, 2024
Question 806 Consider the schema R = (A, B, C, D, E, F) on which the following functional dependencies hold : A ➝ B B, C […]
May 3, 2024
Question 457 Semi-join strategies are techniques for query processing in distributed database system. Which of the following is a semi-join technique ? A Only the joining […]
May 3, 2024
Question 7 What is the number that comes next in the sequence? 2, 5, 9, 19, 37, ___ A 76 B 74 C 75 D 50 […]
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