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Data & Analytics · Intermediate

dbt

A transformation framework (data build tool) where analysts write SQL SELECT models that run in the warehouse, with tests, docs and lineage.

Definition

dbt brings software engineering practices (version control, modularity with ref(), tests, documentation, environments) to ELT. Models materialize as views, tables, incremental tables or ephemeral CTEs. dbt runs on Snowflake, BigQuery, Databricks, Redshift, Fabric and others.

Example

select * from {{ ref('stg_orders') }} where status = 'complete'

Exam tip

dbt handles the T in ELT; it does not extract or load data.

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