Presentation layer

If we try to do a consistency check at this point, we will find that it throws up an error, as we do not have anything in the presentation layer. So far, we have mapped our data sources and de ned the physical objects. Then, we proceeded to add some business logic and tell the OBIEE server how to handle the physical objects in a way that relates to our business requirements. Now, we need to expose this to our end users.In this layer, we can customize the view of the business model for the end users. This includes renaming objects sensibly without affecting the logical and physical names that will be used to generate queries. To reinforce the point, the names and definitions of presentation tables are separate from logical tables, that is, we can rename the columns to whatever we want without changing the mapping to their associated logical column and onward to their physical column.

We can also choose to widen or limit the scope of the parts of the business model that can...