Following three architectures are used in distributed database systems:
Collaborating server system.
Client/server architectures are those in which a DBMS-related workload is split into two logical components namely client and server, each of which typically executes on different systems. Client is the user of the resource whereas the server is a provider of the resource. Client/server architecture has one or more client processes and one or more server processes. The applications and tools are put on one or more client platforms (generally, personal computers or workstations) and are connected to database management system ...