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What is the small-file problem in Spark, and how do you solve it?
Write the PySpark code to find the second highest salary in each department.
Describe a time you had to make a difficult decision with limited information.
Copy Large Files from On-Premises to Azure in ADF
Explain how you debug failed pipelines in ADF.
Explain the key components of Apache Beam in the context of Google Dataflow.
How do you merge data from different sources in ADF while maintaining data quality?
On-Premises to Cloud Integration Runtime
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