Quick notes for Spark

SHIVAKIRAN KOTUR

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Quick notes for Spark
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Spark and PySpark Interview Preparation Cheat Sheet


I'm excited to share my PySpark interview preparation cheat sheet that helped me secure 7+ offer letters in just one month! This cheat sheet contains essential PySpark concepts and coding techniques that are crucial for interviews, including:


1. Creating data frames

2. Schema addition (data types)

3. Loading activities (CSV, JSON)

4. Column functions: select, selectExpr, filter, where, withColumn, withColumnRenamed, collect

5. Handling distinct values, drop, duplicate, orderBy, groupBy, fillna

6. Sorting and limiting

7. String functions: concat, split, trim, date, aggregate, null handling

8. Joins

9. Window functions

10. Cast functions, union, union all

11. Repartition and coalesce

12. PySpark broadcast variables

13. RDD vs DataFrame

14. Spark architecture: joins, partitioning, bucketing, optimization, and more


Desclaimer : I have already share Cheat sheet in in my linkdein , Along with that I have uploaded the Spark import theory concepts to revisie.

These notes serve as a thorough review of core PySpark concepts that are critical for technical interviews. For detailed answers and explanations, feel free to connect with me on LinkedIn!

What are people saying

This Python interview kit is amazing! It has saved me so much time and made my practice sessions more efficient. I used to get lost figuring out which questions to focus on, but this kit provides a clear path—starting with various topics separately and gradually moving to intermediate-level questions. It has truly helped me practice quickly and effectively!
Anonymous
Dec 2024
"Must do Azure Interview Questions" kit by Shivakiran is a must have for aspiring Data Engineers. The in-depth coverage on topics like Pyspark, Apache Spark, Azure Data Factory, Azure Databricks and SQL gave me comprehensive understanding and helped me perform well in interviews. I found this kit as a game-changer in my interview preparation journey.
Anonymous
Dec 2024
Shiv led an excellent mock interview for Azure Data Engineering, providing detailed feedback on my responses and highlighting areas for improvement. His insights on how to approach questions were incredibly valuable and helped refine my interview technique. The entire experience was both professional and extremely helpful, leaving me much more prepared.
Sneha
Sep 2024
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