What are the differences between an operational database and a data warehouse?
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How does schema evolution work?
Explain “rack awareness.”
Define Balancer in HDFS.
What does Hadoop’s Heartbeat mean?
What does COSHH stand for?
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Asked: November 21, 2022
Can you create more than one table in Hive for the same data file?
What Skills Does a Data Engineer Need?
List the elements of the Hive data model.
Expand on HDFS.