May 3, 2024
Question 639 An Assertion is a predicate expressing a condition we wish database to always satisfy. The correct syntax for Assertion is : A CREATE ASSERTION […]
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
Consider a database that has the relation schema CR(StudentName, CourseName). An instance of the schema CR is as given below. The following query is made on […]
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 […]
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