Application sharing between a client, middleware and enterprise server Application sharing between a client, application server and enterprise database server.

Tier 3: the data server provides the business data. These are some of the advantages of a three-tier architecture ... are used to communicate with the client and the data server through TCP/IP. Figure ...

The idea of a three-tier DBMS architecture may sound familiar to application developers ... The logical view should support the implementation of database designs sketched out in an ERD diagram.