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Understanding Joins in PySpark/Databricks In PySpark, a `join` operation combines rows from two or more datasets based on a common key. It allows you ...

Understanding Joins in PySpark/DatabricksIn PySpark, a `join` operation combines rows from two or more datasets based on a common key. It allows you to merge data from different sources into a single dataset and potentially perform transformations on...

What are the resulting steps when two pyspark dataframes are co-grouped by a common key & a function is applied to each co-group?