Welcome


db4o is the native Java and .NET object database for embedded applications.

This documentation and tutorial is intended to get you started with db4o and to be a reliable companion while you develop with db4o. Before you start, please make sure that you have downloaded the latest db4o distribution from the db4objects website.


The db4o Java distribution comes as one zip file, db4o-4.0-java.zip. When you unzip this file, you get the following directory structure:





This tutorial comes in multiple versions. Make sure that you use the right one for the right purpose.


db4o-4.0/doc/tutorial/index.html
This is the interactive HTML tutorial. Examples can be run "live" against a db4o database from within the browser. In order to use the interactive functionality a Java JRE 1.3 or above needs to be installed and integrated into the browser. Java security settings have to allow applets to be run.

 db4o-4.0/doc/tutorial/db4o-4.0-tutorial.pdf
The PDF version of the tutorial allows best fulltext search capabilities.

Java and .NET
db4o is available for Java and for .NET. This tutorial was written for Java . The structure of the .NET distribution is slightly different, so please use the tutorial for the version that you plan to experiment with first.



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