What are the differences between an operational database and a data warehouse?

What does a skewed table mean in Hive?

Can you create more than one table in Hive for the same data file?

Describe the purpose of the .hiverc file in Hive.

Describe how Hive is used in the Hadoop ecosystem.

List the elements of the Hive data model.

What does SerDe in the Hive mean?

What role does Apache Hadoop’s distributed cache play?

Describe the HDFS Safe mode.

Define Balancer in HDFS.