What is metadata in context of a datawarehouse?
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Explain what is metadata reporter?
How are models actually derived?
what is the use of surrogate key in businessobjects
Do you always need to copy the data before reporting on it?(Example, real-time & on-demand reporting is a requirement)?
how can one connect two fact tables ? is it possible ? how?
Explain why dimenstion tables are denormalized in nature?
What are the tools available for etl?
Which columns go to the fact table and which columns go the dimension table?
What is data warehosuing hierarchy?
how much memory space occupied real time project (roughly)?
what is difference between Independent Data Mart Dependent Data Mart 1- 1- 2- 2- 3- 3- 4- 4-
Explain what is a three tier data warehouse?