ISRO exam 2017 – QUESTION 07 with Solution
In this video we are going to discuss another question which was asked in the exam of ISRO.
Q.7
| Employee | Department | OT_allowance |
| RAMA | Mechanical | 5000 |
| GOPI | Electrical | 2000 |
| SINDHU | Computer | 4000 |
| MAHESH | Civil | 15 |
select count(*) from ((select Employee, Department from Overtime_allowance) as S
natural join (select Department, OT_allowance from Overtime_allowance) as T);
- 16
- 4
- 8
- None of the above
- none
