OCP 1Z0 053 250

250.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 application 
Answer: D 

可以监视文件的到达，然后调用对应的job
见：
基于“JOB_SUCCEEDED”事件的job
文件监视及文件监视job