Data Engineering
November 1, 2025
10 min read
Great Expectations: The Complete Guide to Ensuring Data Quality in Modern Data Pipelines
In a world where decisions are increasingly **data-driven**, one bad dataset can derail an entire analytics effort or machine learning model. We often focus on **building pipelines** but neglect to ensure that what flows through them --our data-- is actually **trustworthy**. That’s where **Great Expectations (GX)** steps in. > Great Expectations is an open-source framework for validating, documenting, and profiling data to ensure consistency and quality across your data systems. This guide will walk you through **everything you need to know** about Great Expectations -- from fundamental concepts to hands-on examples, all the way to production-grade integrations.
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