The data models defined by ANSI/SPARC architecture are
A. Conceptual, physical and internal
B. Conceptual, view and external
C. Logical, physical and internal
D. Logical, physical and view
Answer:D
The data models defined by ANSI/SPARC architecture are
A. Conceptual, physical and internal B. Conceptual, view and external C. Logical, physical and internal D. Logical, physical and view