db4o for Java Slashes 90% of cost to develop persistence and runs up to 44x faster than conventional systems.
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db4o for Java Tags

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db4o for Java Description

db4o (database for objects) is the open source object database, native to Java. Free software, available under the GPL and under a commercial license. Persist any object with one line of code. Other features are object-oriented replication, Native Queries, automatic schema recognition, 350K footprint. Ideal for embedded use, e.g., in software running on mobile or medical devices, in packaged software, and for real-time systems.

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