21. The method as claimed in claim 20 , wherein the managing data loading comprises applying predefined rules defining one or more data movement or transformations for moving or transforming data extracted from the data source systems.
21. The method as claimed in claim 20 , wherein the managing data loading comprises applying predefined rules defining one or more data movement or transformations for moving or transforming data extracted from the data source systems. 22. The method as claimed in claim 21 , wherein the applying predefined rules applies predefined rules including one or more of pivot transformation, hierarchy flattening transformation, aggregation transformation and combining data transformation.