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Learndbt Labs Blog·October 27, 2026·Daniel Poppy

How Sigma runs a 2,883-model semantic layer on dbt and Dagster

Summary

Sigma manages its semantic layer as version-controlled code, running 2,883 dbt models orchestrated with Dagster. The post walks through how that code-based approach works at scale, giving Databricks practitioners a concrete reference for treating a semantic layer like any other software project.

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