# Object Manager For db4o

The db4o Object Manager is a GUI tool to browse and query the contents of any db4o database file. Object Manager currently provides the following features:

- Powerful ad-hoc queries

- Efficient handling of large data sets

- Table view for quick scrolling through large data sets

- Tree view for drilling down through an object graph

- Access to internal database information including stored classes, data size and indexes

- Management functions including Backup and Defragment

Online version of this document can be found on the developer website.

More Reading:

- Installation

- Object Manager Tour