theta-join

Consider the following two relations, R(A, B) and S(A, C) : R A B 10 20 20 30 30 40 30 50 50 95 S A C 10 90 30 45 40 80 The total number of tuples obtained by evaluating the follow...

Consider the relational schema given below, where eId of the relation dependent is a foreign key referring to empId of the relation employee . Assume that every employee has at lea...

Consider the following relations A, B and C: A ID Name Age 12 Arun 60 15 Shreya 24 99 Rohit 11 B ID Name Age 15 Shreya 24 25 Hari 40 98 Rohit 20 99 Rohit 11 C ID Phone Area 10 2200...