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Distributed Databases, homogeneous-distributed-system, qqq, cen - Coggle…
Distributed Databases
Homogeneous distributed databases system
Is a network of two or more databases
With same type of DBMS software
can be stored on one or more machines
can be accessed and modified simultaneously on several databases in the network.
It is a set of databases that are logically distributed
Across different geographical locations
They communicate through a computer network
.
Each site in the network is autonomous in its
processing capabilities
Allows users to access data stored at remote sites
Heterogeneous distributed database system.
Can be stored on one or more machines
Is a network of two or more databases
With different types of DBMS software
In this system data can be accessible
To several databases in the network
with the help of generic connectivity
ODBC and JDBC
A Distributed Database Management System (DDBMS)
Is a centralized software system
That manages a distributed database
In a way that it is stored in one location.
