Web analytics products in Omniture implementation

1.site catalyst :It is an entry level,it is a real time data,which is limited,here limitation of how many keylevels we can see.
2.Discover:Segmentation capability is there,sampled data .high level analysis.
3.Data warehouse:Exact number of count is there,it takes long time to generate or reflect.
For this three ,implemnetation is same.