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In remote data management, the entire application resides
on the client and the data managment is located on a remote
server/host. Remote Data Management is relatively easily
to program for because there is just one application
program. The client communicates with the server using SQL,
the server then responds with data that satisfies the
query. RDBMS products that offer remote data management
provide a layer of software on the client to handle the
communication with the DBMS server.This style represents a
more traditional LAN database server or file server
approach.
Workstations support the presentation and function logic
and interface with the data server through the data
manipulation language.Distributed data management is an
extension of remote data management and uses the
distributed facilities of the DBMS to access distributed
data in a manner transparent to users. This is most
relevant for architectures having data spread across
several servers and when access to a DBMS on another
server is required.
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