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 |
02 |
99 |
2100 |
01 |
How many tuples does the result of the following relational algebra expression contain? Assume that the schema of A∪B is the same as that of A.
(A∪B)⋈A.Id>40∧C.Id<15C