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Interview questions
What is the difference between SparkSession and SparkContext in Spark?
Write an SQL query to find the second-highest salary from an employee table.
Explain Fact and Dimension Tables with examples.
How do you remove duplicate rows in BigQuery?
How do you handle late-arriving data in Spark Structured Streaming?
What is the small-file problem in Spark, and how do you solve it?
What is the most difficult task you've ever worked on?
Why are you leaving your current company?
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