Introduction to Derby
management system (RDBMS) that is based on Java technology and SQL.
provides users with a small-footprint standards-based database engine that can be tightly
embedded into any Java based solution. Derby ensures data integrity and provides
sophisticated transaction support. In the default configuration there is no separate
database server to be installed or maintained by the end user. For more information on
Derby, visit the Derby Web site at
can move Derby databases from machine to machine without needing to modify the data.
A Derby application can include a pre-built, populated database if it needs to, and that
database will work in any Derby configuration.
requirements.
as frameworks), the simple embedded option and the Derby Network Server option.
option Derby runs in the same Java virtual machine (JVM) as the application. Derby
can be almost invisible to the end user because it is started and stopped by the
application and often requires no administration.
embedded mode.
to Derby databases across a network. With this option Derby runs in the Java virtual
machine (JVM) that hosts the Server. Applications connect to the Server from
different JVMs to access the database. The Derby Network Server is part of the
Derby software distribution and provides this type of framework for Derby. Derby also
works well with other, independently developed Server applications.
client/server configuration.
database will run in any certified Java Virtual Machine (JVM).
computer. The JDK is required to perform the activities in the