6 docs tagged with "pyspark aggregation"

Essential PySpark Interview Question & Answer(Explained Through Real-World Stories) – Part 1

Learn key PySpark interview questions and answers covering SparkSession, DataFrames, RDDs, and more. Includes code examples and comparisons with Pandas.

Essential PySpark Interview Question & Answer(Explained Through Real-World Stories) – Part 2

Learn key PySpark interview questions and answers covering SparkSession, DataFrames, RDDs, and more. Includes code examples and comparisons with Pandas.

Essential PySpark Interview Question & Answer(Explained Through Real-World Stories) – Part 3

16. What are UDFs and how do you create them in PySpark?

Essential PySpark Interview Question & Answer(Explained Through Real-World Stories) – Part 4

26. How do you use regular expressions in PySpark?

Essential PySpark Interview Question & Answer(Explained Through Real-World Stories) – Part 5

36. Explain the PySpark execution model: transformations vs actions

Essential PySpark Interview Question & Answer(Explained Through Real-World Stories) – Part 6

46. What are accumulators and broadcast variables?