# TA Office Hour 5

> Office hours focused on a specific assignment related to Databricks and advanced Spark techniques. The session included a walkthrough of the assignment involving a tweets dataset, data cleaning, creating fact and dimension tables, and performing a broadcast join. Participants learned how to analyze…

- Web page: https://www.dataexpert.io/lesson/ta-office-hour-5
- Program: [Spring Data Engineering Boot Camp Starting May 26th, 2025](https://www.dataexpert.io/program/spring-data-engineering-boot-camp-starting-march-10th-6262)
- Access: Requires enrollment in Spring Data Engineering Boot Camp Starting May 26th, 2025
- Skills: Data Modeling, ETL/ELT, Apache Spark
- Academy: DataExpert.io Academy

## About this lesson

Office hours focused on a specific assignment related to Databricks and advanced Spark techniques. The session included a walkthrough of the assignment involving a tweets dataset, data cleaning, creating fact and dimension tables, and performing a broadcast join. Participants learned how to analyze tweet volumes, identify top tweeters, and calculate metrics based on user engagement, making it beneficial for students working on data engineering projects using Spark.

## Navigation

- Previous lesson: [TA Office Hour 4](https://www.dataexpert.io/lesson/ta-office-hour-4.md)
- Next lesson: [TA Office Hour 6](https://www.dataexpert.io/lesson/ta-office-hour-6-may2025.md)
