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EPAM Systems

EPAM Systems

Data Validation in ETL Pipelines

Medium

strategiesETLdata validation

Problem

Scenario

You're building or maintaining ETL pipelines and want a clear approach for validating data before it reaches downstream tables. The goal is to catch bad records, schema issues, and business rule violations early, without blocking every load unnecessarily.

Question

What strategies do you use for data validation in ETL processes?

Problem

Scenario

You're building or maintaining ETL pipelines and want a clear approach for validating data before it reaches downstream tables. The goal is to catch bad records, schema issues, and business rule violations early, without blocking every load unnecessarily.

Question

What strategies do you use for data validation in ETL processes?

Your answer

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