Which three statements are true about a job chain?

The correct answer is A. It can contain a nested chain of jobs. B. It can be used to implement dependency-based scheduling. E. It can be executed using event-based or time-based schedules. 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. DBMS_SCHEDULER.DEFINE_CHAIN_STEP DBMS_SCHEDULER.DEFINE_CHAIN_EVENT_STEP

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Question

Options

AIt can contain a nested chain of jobs.
BIt can be used to implement dependency-based scheduling.
CIt cannot invoke the same program or nested chain in multiple steps in the chain.
DIt cannot have more than one dependency.
EIt can be executed using event-based or time-based schedules.

How the community answered

(52 responses)

A
83% (43)
C
6% (3)
D
12% (6)

Explanation

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. DBMS_SCHEDULER.DEFINE_CHAIN_STEP DBMS_SCHEDULER.DEFINE_CHAIN_EVENT_STEP

Topics

#job chain#Oracle Scheduler#dependency scheduling#nested chains

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