Informatica - Power Center - Transformations Kareem Thursday, January 31, 2013 Transformations Power Center Transformations (partial list) Source Qualifier: reads data from flat file and relational sources ... Read More
Informatica - Power Center Basic Concepts Kareem Thursday, January 31, 2013 Power Center Introduction · Is a single, unified enterprise data integration platform · that allows companies and... Read More
Why need staging area for DWH? Kareem Wednesday, January 30, 2013 · Staging area needs to clean operational data before loading into data warehouse. · Cleaning in the sense your me... Read More
What are the types of Approach in DWH? Kareem Wednesday, January 30, 2013 Bottom up approach : first we need to develop data mart then we integrate these data marts into EDW Top down approach: first we need... Read More
What are the types of datawarehousing? Kareem Wednesday, January 30, 2013 EDW (Enterprise datawarehousing) · It provides a central database for decision support throughout the enterprise · ... Read More