In which architecture, another layer is there between client and server?
a) 2-tier architecture
b) 3-tier architecture
c) 4-tier architecture
d) 5-tier architecture
What is present in Server but not in Client?
a) database
b) application server
c) user
d) none of these
Which of the following applications 3-tier architecture is used in?
a) large web application
b) small web application
c) both a & b
d) medium web application
Requests and responses are transformed using……….between different database layers.
a) mapping
b) deflection
c) taping
d) reflection
For………mapping, the request must be
transformed from external level to conceptual level.
a) external
b) conceptual
c) internal
d) both a & b
DBMS transform requests from the conceptual to the internal level through ……. mapping.
a) external
b) conceptual
c) internal
d) hidden