Oracle OCP 1Z0 053 Q456(Job Chains)
456.Which of the following is true about job chains?
A. They consist of one or more Scheduler programs.
B. They are used to implement dependency scheduling.
C. They are used to implement time-based scheduling.
D. They are used to implement event-based scheduling.
E. None of the above.
Answer: B
既然是chain, 那就應該有dependency才合理.
官方文件:https://docs.oracle.com/cd/B28359_01/server.111/b28310/scheduse009.htm
A. They consist of one or more Scheduler programs.
B. They are used to implement dependency scheduling.
C. They are used to implement time-based scheduling.
D. They are used to implement event-based scheduling.
E. None of the above.
Answer: B
既然是chain, 那就應該有dependency才合理.
A chain is a named series of tasks that are linked together for a combined objective. Chains are the means by which you can implement dependency based scheduling, in which jobs are started depending on the outcomes of one or more previous jobs.
To create and use a chain, you complete these tasks in order:
官方文件:https://docs.oracle.com/cd/B28359_01/server.111/b28310/scheduse009.htm
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