Question 9 Consider a relational table R that is in 3NF, but not in BCNF. Which one of the following statements is TRUE? A A cell […]

Question 28 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 14 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 1 There are 5 records in a database. There is an index file associated with this and it contain the values 1, 3, 2, 5 […]