Separating the Logical and Physical Views in a Database Allows

Separating the logical and physical views in a database allows the programmers to concentrate on coding the application logic

A) by identifying physical location and layouts of various data items.
B) since they do not have to focus on the physical location and layouts of various data items.
C) by consolidating all data in one database.
D) by providing pointers to data items regardless of physical location.