# Capstone Project Day 3 Class

> In this lab, zach walks through the data pipeline process, emphasizing the importance of not writing directly to production. He discusses various data quality checks and how we aggregate data to ensure everything is functioning correctly. He also highlights the significance of monitoring declines i…

- Web page: https://www.dataexpert.io/lesson/capstone-project-day-3-class-april2025-p735-l1056
- Program: [AnalyticsExpert](https://www.dataexpert.io/program/analytics-expert)
- Module: Week 8: End-to-End Project Hacking
- Access: Requires enrollment in AnalyticsExpert
- Length: 1 h 28 min video
- Skills: SQL, Python, Data Modeling, ETL/ELT, Airflow
- Academy: DataExpert.io Academy

## About this lesson

In this lab, zach walks through the data pipeline process, emphasizing the importance of not writing directly to production. He discusses various data quality checks and how we aggregate data to ensure everything is functioning correctly. He also highlights the significance of monitoring declines in data quality.

## Navigation

- Previous lesson: [Capstone Project Day 2 Class](https://www.dataexpert.io/lesson/capstone-project-day-2-class-april2025-p735-l1055.md)
- Next lesson: [Q&A with Zach Week 1](https://www.dataexpert.io/lesson/qa-with-zach-week-1-april2025-p735-l959.md)
