# Transformations

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