PySpark Interview Questions | Azure Data Engineer #azuredataengineer #databricks #pyspark

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Q71. Define concept of window functions in PySpark and provide an example.

In this video, we'll explore the concept of Window Functions in PySpark, a powerful tool for performing operations on groups of related rows. Unlike standard aggregation functions, which condense multiple rows into a single output, window functions retain the original rows while allowing us to perform calculations like running totals, rank, and more.

Watch the full video to get a deeper understanding and more examples.
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