OrientDB(基于Java的文档数据库) v1.0 图形版

Orient DB 是一个可伸缩的文档数据库，支持 ACID 事务处理，使用Java 5实现。

OrientDB VERSION 1.0 - (May, 14th 2012)
- new Multi-Master Replication architecture
- new Object Database interface that use run-time enhancement. Now handles lazy
  loading, it's lighter and faster than before
- new OTraverse class to traverse graphs via Java API using a stack-free
  approach
- Data segments: added support for multiple ones and create/drop commands
- new ODocument.undo() to revert local changes
- new Server Side Scripting support
- Query: new context variables
- Console: new check database command
- Studio: improved Graph management
- Improved OSGi support
- Fixed more than 40 bugs