You want to schedule a job to rebuild all indexes on the SALES table after the completion of a bulk load operation. The bulk load operation must also be a scheduled job that executes as soon as the first file that contains data arrives on the system. How would you create these jobs?（）

A. Create both jobs by using events raised by the scheduler
B. Create both jobs by using events raised by the application
Create a job to rebuild indexes by using events arised by the application and then create another job to perform bulk load by using events raised by the scheduler
D. Create a job to rebuild indexes by using events arised by the Scheduler and then create another job to perform bulk load by using events raised by the applicatio