When creating a query. Subject areas can be combined via point and click as long as____.
A.
the subject areas share objects of the same name
B.
the subject areas both share the same model in the business model and mapping layer
C.
the subject areas are both from the same physical source, though they may be in separate
business layers
D.
two or more subject areas cannot be joined together without manually mapping the contents
Explanation:
Users in Oracle BI Answers can create queries that span multiple subject areas, as
long as the subject areas correspond to the same business model.
B
Although each subject area must be populated with contents from a single business model, you can create multiple subject areas for one business model. For very large business models, you may want to do this to help users work with the content. Users in Oracle BI Answers can create queries that span multiple subject areas, as long as the subject areas correspond to the same business model.
The steps to create logical query to span multiple subject areas are:
•Start by creating a normal Answers request in a single subject area.
•Select the subject area/s you’re interested in
•Choose a common dimension from either subject area and measures from the relevant source
https://prasadmadhasi.wordpress.com/2012/01/30/working-with-multiple-subject-areas-in-obiee-11-1-1-5-0/