OrientDB 1.7 rc1 发布，此版本更新内容如下：
给管理 LINKS 添加了新的 LINKBag，大大的提高了系统的性能
SQL: a new LOCK keyword to specify a locking strategy; a new RETURNING keyword to allow UPDATE and DELETE commands to return modified records; include() and exclude() to respectively include or exclude fields of documents; and support for LET in the UPDATE and DELETE commands. Graph API: support for an ordered edge list; new detach() and attach() methods to work with Graph elements offline; and new OrientGraphFactory to manage pooled instances
HTTP: 支持标题和部分内容更新
数据库分块部署
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。
项目主页：http://www.orientechnologies.com/orientdb/
下载地址：http://www.orientechnologies.com/download/
来自:开源中国社区
