# Fact Data Modeling: Core Concepts, Deduplication Day 1 Lecture

> In this lecture, we delve into the realm of fact data modeling, focusing on the core concept of facts and addressing the challenges associated with handling duplicates. Our exploration underscores the pivotal role of facts in data engineering, shedding light on their significance.

- Web page: https://learn.dataexpert.io/lesson/fact-data-modeling-day-1-lecture-yt
- Program: [Boot Camp: Community Edition](https://learn.dataexpert.io/program/free-community-boot-camp)
- Module: Fact Data Modeling
- Access: Requires enrollment in Boot Camp: Community Edition
- Length: 52 min video
- Skills: Data Modeling, ETL/ELT, Data Warehousing, Postgres
- Academy: DataExpert.io Community Academy

## About this lesson

In this lecture, we delve into the realm of fact data modeling, focusing on the core concept of facts and addressing the challenges associated with handling duplicates. Our exploration underscores the pivotal role of facts in data engineering, shedding light on their significance.

## Navigation

- Previous lesson: [Dimensional Data Modeling: Graph Data Modeling Day 3 Lab](https://learn.dataexpert.io/lesson/dimensional-data-modeling-day-3-lab-yt.md)
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