# Infrastructure Data Quality - Real-World Validation with PySpark and PyTest (Day 1 Lab)

> In this lab session, we apply data quality checks and validation methods to real-world data. Learn how to test your queries from Weeks 1 and 2 using PySpark, Chispa, and PyTest.

- Web page: https://julie.techexpert.io/lesson/infra-data-quality-day-1-lab-v2
- Program: [Data Engineering Boot Camp V2 Combined Track](https://julie.techexpert.io/program/data-engineering-boot-camp-v2-combined-track)
- Module: Week 5: Infrastructure Data Quality V2
- Access: Requires enrollment in Data Engineering Boot Camp V2 Combined Track
- Length: 2 min video
- Skills: SQL, Python, Data Modeling, ETL/ELT, Apache Spark
- Academy: Julies academy to catch all other programs

## About this lesson

In this lab session, we apply data quality checks and validation methods to real-world data. Learn how to test your queries from Weeks 1 and 2 using PySpark, Chispa, and PyTest.

## Navigation

- Previous lesson: [Applying Advanced SQL for Analytical Insights - Bridging SQL Features and Data Modeling Insights (Day 2 Lecture) ](https://julie.techexpert.io/lesson/analytical-patterns-day-2-lecture-v2.md)
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