> 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/faqs/transformations.md).

# Transformations

- [How is the Aggregate Transformation different from the Expression Transformation?](https://documentation.astera.com/faqs/transformations/how-is-the-aggregate-transformation-different-from-the-expression-transformation.md)
- [Can we omit duplicate records using the Aggregate Transformation in Astera?](https://documentation.astera.com/faqs/transformations/can-we-omit-duplicate-records-using-the-aggregate-transformation-in-astera.md)
- [How many datasets can a single Aggregate object take input from?](https://documentation.astera.com/faqs/transformations/how-many-datasets-can-a-single-aggregate-object-take-input-from.md)
- [How is Expression Transformation different from the Function Transformation?](https://documentation.astera.com/faqs/transformations/how-is-expression-transformation-different-from-the-function-transformation.md)


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