Question 277 Relation R is decomposed using a set of functional dependencies, F, and relation S Is decomposed using another set of functional dependencies, G. One […]

Question 279 Comprehension: Consider the following table structures related to a university for Q96 to Q100:- EMPLOYEE          NAME          VARCHAR (30)     […]

Question 280 Consider the following relations A, B, C. How many tuples does the result of the following relational algebra expression contain? Assume that the schema […]

Question 281 Suppose (A, B) and (C,D) are two relation schemas. Let r1 and r2 be the corresponding relation instances. B is a foreign key that […]