Question 25 For a database relation R(a,b,c,d), where the domains a, b, c, d include only atomic values, only the following functional dependencies and those that […]

Question 24 Let R(a,b,c) and S(d,e,f) be two relations in which d is the foreign key of S that refers to the primary key of R. […]

Question 34 There are 5 records in a database. There is an index file associated with this and it contain the values 1, 3, 2, 5 […]

Question 44 Consider the join of a relation R with a relation S. If R has m tuples and S has n tuples then the maximum […]