What is the process of renaming columns and assigning data types as indicated by the specification?
Apache Spark 3 for Data Engineering and Analytics with Python - Challenge Part 2 - Rearrange the Schema

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1.
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2.
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3 mins • 1 pt
How do you convert a string into an integer type in a DataFrame?
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3.
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What steps are involved in converting a column to a float type?
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Explain how to change the order date into a timestamp with a specified format.
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5.
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What is the significance of dropping old columns after adding new ones?
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How do you ensure that the correct data types are assigned to the DataFrame columns?
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7.
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Describe the process of adding new columns for year and month from the order date.
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