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
- C 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 Scheduller and then create another job to perform bulk load by using events raised by the applicatio