> For the complete documentation index, see [llms.txt](https://documentation.astera.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://documentation.astera.com/astera-data-stack-v9/dataflows/transformations.md).

# Transformations

- [Introducing Transformations](https://documentation.astera.com/astera-data-stack-v9/dataflows/transformations/introducing-transformations.md)
- [Aggregate Transformation](https://documentation.astera.com/astera-data-stack-v9/dataflows/transformations/aggregate-transformation.md)
- [Constant Value Transformation](https://documentation.astera.com/astera-data-stack-v9/dataflows/transformations/constant-value-transformation.md)
- [Denormalize Transformation](https://documentation.astera.com/astera-data-stack-v9/dataflows/transformations/denormalize-transformation.md)
- [Distinct Transformation](https://documentation.astera.com/astera-data-stack-v9/dataflows/transformations/distinct-transformation.md)
- [Expression Transformation](https://documentation.astera.com/astera-data-stack-v9/dataflows/transformations/expression-transformation.md)
- [Filter Transformation](https://documentation.astera.com/astera-data-stack-v9/dataflows/transformations/filter-transformation.md)
- [Join Transformation](https://documentation.astera.com/astera-data-stack-v9/dataflows/transformations/join-transformation.md)
- [List Lookup Transformation](https://documentation.astera.com/astera-data-stack-v9/dataflows/transformations/list-lookup-transformation.md)
- [Merge Transformation](https://documentation.astera.com/astera-data-stack-v9/dataflows/transformations/merge-transformation.md)
- [Normalize Transformation](https://documentation.astera.com/astera-data-stack-v9/dataflows/transformations/normalize-transformation.md)
- [Passthru Transformation](https://documentation.astera.com/astera-data-stack-v9/dataflows/transformations/passthru-transformation.md)
- [Reconcile Transformation](https://documentation.astera.com/astera-data-stack-v9/dataflows/transformations/reconcile-transformation.md)
- [Route Transformation](https://documentation.astera.com/astera-data-stack-v9/dataflows/transformations/route-transformation.md)
- [Sequence Generator](https://documentation.astera.com/astera-data-stack-v9/dataflows/transformations/sequence-generator.md)
- [Sort Transformation](https://documentation.astera.com/astera-data-stack-v9/dataflows/transformations/sort-transformation.md)
- [Sources as Transformations](https://documentation.astera.com/astera-data-stack-v9/dataflows/transformations/sources-as-transformations.md)
- [Subflow Transformation](https://documentation.astera.com/astera-data-stack-v9/dataflows/transformations/subflow-transformation.md)
- [Switch Transformation](https://documentation.astera.com/astera-data-stack-v9/dataflows/transformations/switch-transformation.md)
- [Tree Join Transformation](https://documentation.astera.com/astera-data-stack-v9/dataflows/transformations/tree-join-transformation.md)
- [Tree Transform](https://documentation.astera.com/astera-data-stack-v9/dataflows/transformations/tree-transform.md)
- [Union Transformation](https://documentation.astera.com/astera-data-stack-v9/dataflows/transformations/union-transformation.md)
- [Data Cleanse Transformation](https://documentation.astera.com/astera-data-stack-v9/dataflows/transformations/data-cleanse-transformation.md)
- [File Lookup Transformation](https://documentation.astera.com/astera-data-stack-v9/dataflows/transformations/file-lookup-transformation.md)
- [SQL Statement Lookup](https://documentation.astera.com/astera-data-stack-v9/dataflows/transformations/sql-statement-lookup.md)
- [Database Lookup](https://documentation.astera.com/astera-data-stack-v9/dataflows/transformations/database-lookup.md)


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