What are the tools available for etl?
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what is difference between Independent Data Mart Dependent Data Mart 1- 1- 2- 2- 3- 3- 4- 4-
Write a short note on data warehousing & three-Tier Warehouse architecture in detail.
if source contain 10records how you identify header and footer
what is difference between drill & scope of analysis?
Explain conformed fact?
What is freehand sql?
What are the different methods of loading dimension tables?
Briefly state different between data ware house & data mart?
Explain what is a staging area? Do we need it? What is the purpose of a staging area?
Can any one explain about core dimension, balanced dimension, and dirty dimension?
How did you plan your Data ware house project?
What are aggregate tables and aggregate fact tables?