Databricks Certified Data Engineer - Professional
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A Databricks admin sets the environment variable ENV=PROD for a cluster used by the engineering team to fetch data from an S3 bucket in the fetch_details notebook. A new team member needs to access data from the DEV environment instead. They attempt to change the environment variable in a new notebook with the command: import os; os.environ['ENV'] = 'DEV'. What will be the effect of this command?_
A
The environment variable’s value will be updated in the cluster properties, affecting all notebooks attached to the cluster.
B
The command will fail, preventing the environment variable from being changed.
C
The change will only affect the new notebook, leaving the fetch_details notebook and others unchanged._
D
The command will execute successfully but the environment variable’s value will remain unchanged.
E
Both the new notebook and the fetch_details notebook will start using the DEV environment._