Open Source (free) DBS and more
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Welcome Welcome to the home of the PostgreSQL JDBC driver.
Key Value DB
Embeded DB (& file handling)
https://github.com/hazelcast/hazelcast/ Hazelcast is a clustering and highly scalable data distribution platform for Java.
To use the Document Database interface you must include these jars in your classpath:
ObjectDatabase - orient - Object Database usage through Java APIs - NoSQL document database light, portable and fast. Supports ACID Tx, Indexes, asynch queries, SQL layer, clustering, etcNote: The object database has been refactored since the release 1.0.
In computing software , POJO is an acronym for Plain Old Java Object . The name is used to emphasize that a given object is an ordinary Java Object, not a special object. The term was coined by Martin Fowler , Rebecca Parsons and Josh MacKenzie in September 2000:
The ObjectDatabase implementation makes things easier for the Java developer since the binding between Objects to Records is transparent.
AcornDB AcornDB is a high performance, small footprint, transactional object oriented database written entirely in Java. It stores data in the application's native format, so no runtime data translation is required.