ONS SCHED_ START_TIME is a datetime column. Which of the following will return two hours after SCHED START TIME? ONE OF THE FOLLOWING (1 PT) A. In Oracle: ADD_HOURS(SCHED_START TIME, 2) In sQL Server: Hour(2, SCHED_START_TIME) B. In Oracle: ADD_HOURS(SCHED_START_TIME, -2) In SQL Server: Hour(-2, SCHED_START_TIME) C. In Oracle: SCHED_ START TIME 2/24 In SQL Server: DATEADD(hh, -2, SCHED_START_TIME) D. In Oracle: SCHED_START_TIME + 2/24 In SQL Server: DATEADD(hh, 2, SCHED_START TIME) In SQL Server: DATEADD(nh, 2, SCHED START_TI