Essential PySpark Interview Question & Answer(Explained Through Real-World Stories) – Part 3
16. What are UDFs and how do you create them in PySpark?
16. What are UDFs and how do you create them in PySpark?
26. How do you use regular expressions in PySpark?
36. Explain the PySpark execution model: transformations vs actions
46. What are accumulators and broadcast variables?