i can help to Created ETL mappings using Informatica Power Center to move Data from multiple sources like Flat files, Oracle into a common target area such as Staging, Data Warehouse and Data Marts. can help on Informatica mappings and Develop different mappings by using different Transformations like Aggregator, Lookup, Expression, update Strategy, Joiner, Router etc to load the data into staging tables and then to target. Aggregator, Lookup, Expression, update Strategy, Joiner, Router, processes, test cases, and error control routines Sequence generator etc transformations in the mappings