db4o Database Runtime Engine

db4o is the most powerful database on the planet, yet it is as easy to use as it is powerful. Its power comes from allowing arbitrarily complex, application-defined, class models to also represent the database schema. This eliminates time-consuming and tedious mapping code freeing CPU processing power to the application for raw performance.

Unmatched Agility

• No Mapping Complexity: with an object database like db4o, your application schema IS your data schema; no mapping required, no extra work.
• Zero Administration: db4o has been designed to meet the demands of all environments where no DBA is present.
• Easy Deployment, Small Footprint: only a Java jar file or .NET assembly is necessary to make your objects persistent. This low footprint translates into an efficient usage of your storage space.
• Real-time Performance: The elimination of data transformation in db4o leads to less demand on CPU for persistence operations, which shifts critical resources to your application logic and query processing.
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db4o Replication System

The db4o Replication System (dRS) enables users such as INDRA, Boeing and EasternData to easily build applications that bi-directionally synchronize objects between db4o's mobile database instances and another db4o server instance (such as Versant Database Engine and any common relational databases like Oracle, MySQL, etc.).
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Professional Support

XtremeConnect is designed to meet the growing demand of companies with cutting-edge Java and .NET projects. They leverage db4o's popular, open-source database to provide competitive new features and services, and mitigate the technology risks through their investment in expert support.
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ObjectManager Enterprise

ObjectManager Enterprise (OME) is a new tool which comes as a plug-in for Visual Studio or Eclipse or as a standalone application. OME is designed for db4o object database browsing and maintenance and is FREE!
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