QUESTION 68
Which two statements are true about a job chain? (Choose two.)
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
Answer: AC
同645题：http://blog.csdn.net/rlhua/article/details/16886299
Explanation/Reference:
Section: SQL, PL/SQL, Packages, Functions, Jobs & Views