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Hadoop · Q12

Workflow Automation with Oozie

Programming · Hadoop · question 12

Q12

In Oozie, what is the significance of the "precondition" element in a workflow action?

A.
Sort records based on a column
B.
Group records based on a condition
C.
Join records from multiple tables
D.
Define conditions that must be met before executing the action
Answer

Answer: Option D

Solution

Answer: Option D
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