多选题Which three elements can a job chain process involve?（）Aan eventBa scheduleCa programDanother chainEa lightweight job

A. an event

B. a schedule

C. a program

D. another chain

E. a lightweight job

A. A job chain can contain a nested chain of jobs.

B. The jobs in a job chain cannot have more than one dependency.

C. A job of the CHAIN type can be run using event-based or time-based schedules.

D. The jobs in a job chain can be executed only by using the events generated by the Scheduler

A.loving students

B.loving his or her job and have good command English

C.ethic devotion

D.rofessional qualities and personal styles

An operator notices that a job on the system is causing poor performance. The job is a root process and the administrator has concluded it is not important and can be stopped. Shortly after stopping the process, it starts again. Which of the following commands will list repeating scheduled tasks?（）

A. at -l

B. jobs -l

C. sched -l

D. crontab -l

A. Schedule objects

B. Program arguments

C. Job classes

D. Job arguments

E. All of the above

A. Only one window can be open at any given time

B. Consumer groups are associated with windows

C. Windows work with job classes to control resource allocation

D. The database service name must be provided during windows creation

E. Windows can automatically start job or change resource allocation among jobs for various time periods.

A. Only one window can be open at any given time

B. Consumer groups are associated with windows

C. Windows work with job classes to control resource allocation

D. The database service name must be provided during windows creation

E. Windows can automatically start job or change resource allocation among jobs for various time periods.