---
title: "Discussion on \"Understanding Slowly Changing Dimensions (SCD) in ETL: From Basics to Best Practices\" | Hashnode"
description: "Discussion on \"Understanding Slowly Changing Dimensions (SCD) in ETL: From Basics to Best Practices\". Slowly Changing Dimensions (SCD) Type 0: Fixed Dimensions\nDescription: SCD Type 0 represents a scenario where dimension data remains fixed and does not change once it has been inserted. Any updates in the source system are ignored, and the target sys..."
url: "https://hashnode.com/posts/understanding-slowly-changing-dimensions-scd-in-etl-from-basics-to-best-practices/66f3b214003891c423e8353e"
---

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# [Understanding Slowly Changing Dimensions (SCD) in ETL: From Basics to Best Practices](https://bigdatageek.dev/understanding-slowly-changing-dimensions-scd-in-etl-from-basics-to-best-practices?utm_source=hashnode&utm_medium=feed)

Slowly Changing Dimensions (SCD) Type 0: Fixed Dimensions Description: SCD Type 0 represents a scenario where dimension data remains fixed and does not change once it has been inserted. Any updates in the source system are ignored, and the target sys...

Sep 25, 2024 · 10 min read · bigdatageek.dev  
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## Written by

[Shreyash Bante](https://hashnode.com/@Shreyash27)

@Shreyash27 · Nagpur,Maharashtra,India

  
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DataEngineering

I am a Azure Data Engineer with expertise in PySpark, Scala, Python.

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