# Transformations

- [How is the Aggregate Transformation different from the Expression Transformation?](/astera-data-stack-v10/faqs/transformations/how-is-the-aggregate-transformation-different-from-the-expression-transformation.md)
- [Can we omit duplicate records using the Aggregate Transformation in Astera?](/astera-data-stack-v10/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?](/astera-data-stack-v10/faqs/transformations/how-many-datasets-can-a-single-aggregate-object-take-input-from.md)
- [How is Expression Transformation different from the Function Transformation?](/astera-data-stack-v10/faqs/transformations/how-is-expression-transformation-different-from-the-function-transformation.md)