If you’re preparing for a PySpark / Spark / Data Engineering interview, make sure your preparation covers these 5 key areas:
↳ RDD (Resilient Distributed Dataset) operations
↳ DataFrame & Dataset APIs
↳...
As I move from Azure Data Factory into the transformation side of Data Engineering, I wanted to first understand three terms that are often mentioned together:
Apache Spark. PySpark. Databricks.
They are closely related, but they are not the s...
🚀 59 PySpark Interview Questions I Compiled After Going Through Data Engineering Interviews — Here’s What Most Candidates Get Wrong
Most candidates can define an RDD.
But when an interviewer asks “Why is Spark faster than MapReduce?”, many struggle t...
