Solution: Optimizing PySpark DataFrame Operations

The solution to the coding exercise for optimizing PySpark transformations and actions.

Tasks

Task 1: Review and analyze existing code

  1. Create a SparkSession object and load the orders.csv dataset.
  2. Execute the code snippet to ensure it runs without errors.
  3. Thoroughly review and analyze the provided code snippet, identifying any potential areas for optimization.

Solution for task 1:

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