Writing Structured CSV Files with Headers

How do we write an export DataFrame out to disk as CSV files with headers enabled in overwrite mode?

Expert⏱ 2 Minutes⭐ 850 XP

🤔 THE QUESTION

How do we write an export DataFrame out to disk as CSV files with headers enabled in overwrite mode?

💡 WHAT IS IT?

df.write.mode('overwrite').option('header', 'true').csv(path) writes formatted CSV files to storage.

🎯 WHAT IS IT USED FOR?

Exporting data feeds for third-party vendors and legacy business reporting tools.

💻 EXAMPLE

df.write.mode("overwrite").option("header", "true").csv("output/customers_csv")

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