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How to Use withColumn() Function in PySpark to Add & Update Columns | PySpark Tutorial

In this PySpark tutorial, you'll learn how to use the powerful withColumn() function to add new columns or update existing ones in a DataFrame. Whether you're a beginner or looking to brush up on your PySpark skills, this hands-on tutorial will walk you through real-world use cases with clear code examples.

✅ What You'll Learn:

How to add new columns using withColumn()

How to update existing column values

How to apply transformations with F.col, F.lit, and F.when

Common mistakes to avoid

🛠 Technologies Used:
Apache Spark • PySpark • Databricks (optional) • Python

🎯 Ideal For:
Data Engineers, Data Analysts, and anyone working with big data using PySpark.

💬 Have questions? Drop them in the comments and I’ll respond!

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#PySpark #withColumn #BigData #DataEngineering #SparkTutorial #Databricks #apachespark
link to the script used in this video
https://www.techbrothersit.com/2025/0...