What is the function of look up transformation? - Informatica

What is the function of look up transformation?

- Transformation is used with the data source and used to provide the mapping techniques.

- The transformation is a lookup transformation when the lookup data is used in flat file.

- It also uses the relational table and view that allow the file to be easily used in the transformation.

- The lookup transformation consists of the ports or input ports using the source column values.

- The column values allow the transformation to be based on the conditions provided by the lookup.