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Data Engineers Working with PySpark Aggregations What are Aggregations? Aggregations in PySpark allow you to transform large datasets by computing statistics across specified groups. PySpark offers built-in functions for common aggregations, such as sum, avg, min, max…
Interview Questions

1. What are some common aggregation functions in PySpark, and how are they used?

2. Explain the difference between groupBy() and agg() in PySpark.
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