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1. |
Database table by name Overtime_allowance is given below:EmployeeDepartmentOT_allowanceRAMAMechanical5000GOPIElectrical2000SINDHUComputer4000MAHESHCivil1500 What is the output of the following SQL query?select count(*) from((select Employee, Department from Overtime_allowance) as Snatural join (select Department, OT_allowance from Overtime_allowance)as T); |
A. | 16 |
B. | 4 |
C. | 8 |
D. | None of the above |
Answer» C. 8 | |