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Interview questions
What is the difference between SparkSession and SparkContext in Spark?
How do you copy all files from one source path to target in ADF?
Explain Job vs. Interactive Clusters.
How do you increase job performance? What techniques and optimizations?
How do you run one notebook in another notebook?
How do you see files before update (history records/versioning)?
Explain how to implement cumulative sum in SQL.
Discuss Delta Logs file format and its significance.
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