Hey Spark enthusiasts! Today, we're diving into the world of User-Defined Functions (UDFs) in PySpark. UDFs are like custom tools you can build to transform your data exactly how you need it. They're incredibly flexible, but like any powerful tool, t...
![[c언어] Quiz](https://cdn.hashnode.com/res/hashnode/image/upload/v1709628406200/51f1a541-450b-4188-8532-570b35ce905f.png)
