Expression Transformation in Informatica

Expression Transformation in Informatica , is a connected passive transformation (number of input and output rows is the same), which let you modify individual ports of a single row, or add or suppress them. It helps implement the complicated data transforms, applies business logic and performs checks and validations.  For example: calculating annual Salary A well detailed example of Expression Transformation can be found here. Hope you enjoyed this article, More details can be found at below site Performance tuning related guideline related expression Transformation can be found here  Must check : Please also check how to create Lookup Transformation http://www.tecktricks.com/expression-transformation-in-informatica-example-1/