BI model with better performance

[data_warehousian]

I am Ph.D. student, I'm building a BI model and through this model I will discuss the problems of challenges that face BI model and I will try to solve possible problems ,
I have some question about the data store :
the different of OS ?
the different of database systems ?
the different of formatting ?
the different of location ?
and source volume data ?

what is the possible solutions for these problems ?


Thanks for help

[BrianJarrett]

If I were you, I'd fork out the cash for "The Data Warehouse Toolkit" by Ralph Kimball and Margy Ross. I think that'll be your best reference given the broad nature of your questions.