Use Derby

1.For the sake of low memory consumption and easy configuration,chosen Apache Derby
as database engine.

2.For testing purposes, the client/server mode is more appropriate because it allows you to inspect and edit data with any visual database tools that support JDBC. Example, the Eclipse Data Tools Platform (DTP).

3.To start the Derby server in the client/server mode, execute the startNetworkServer script in the bin directory.

4.Under ij

5.connect 'jdbc:derby://localhost:1527/vehicle;create=true' ;