# Cumulative DAGs in Production Day 3 Lab

> Cumulative table design and concurrent writes are the focus of this lab, which is ideal for data engineers looking to enhance their skills with Airflow and Trino. Participants will learn how to create and manage cumulative DAGs, handle staging and production tables, and address race conditions duri…

- Web page: https://www.dataexpert.io/lesson/cumulative-dags-in-production-day-3-lab-jan2025-p736-l761
- Program: [AnalyticsExpert](https://www.dataexpert.io/program/analytics-expert)
- Module: Week 6: Airflow & Pipeline Specs with Trino
- Access: Requires enrollment in AnalyticsExpert
- Length: 34 min video
- Skills: MLOps, Data Modeling, ETL/ELT, Airflow, Apache Iceberg, Kafka
- Academy: DataExpert.io Academy

## About this lesson

Cumulative table design and concurrent writes are the focus of this lab, which is ideal for data engineers looking to enhance their skills with Airflow and Trino. Participants will learn how to create and manage cumulative DAGs, handle staging and production tables, and address race conditions during concurrent writes. The session also covers practical techniques for data quality checks and utilizing array transformations, making it a valuable resource for those working with data pipelines.

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