Orientdb 1.0RC2 Publish a Scalable document database

Orient DB is a scalable document database that supports ACID transaction processing. Implemented using Java 5.

Orientdb is an open source NoSQL database management system, written in Java, belongs to a document database, supports acid tx,http://www.aliyun.com/zixun/aggregation/16666.html "> Indexes,asynch Queries,sql layer,clustering and so on.

ORIENTDB is a scalable document-graphics database management system with the flexibility of the text-block database and the ability of graphic database management link. Optional modeless, full mode, or mixed mode. Supports many advanced features such as acid transactions, fast indexing, native and SQL query capabilities. You can import and export documents in JSON format. If you don't perform expensive join operations, a relational database can retrieve hundreds of linked document graphs in milliseconds.

Orientdb 1.0RC2 Update log:

-Fixed multi-threads problems
-Speeded up index searching
-refactored schema, index and security managers to work in Multi-threads
-When use remote as Kyoto, triggers now work in server-side level
-New SQL inclusive operator, useful specially against indexes to execute
Ranged queries
-New SQL alter CLASS and ALTER property to refactor the DB schema
-New Console DROP DATABASE command
-New Console INDEXES command that displays the configured INDEXES
-New DATE type to handle dates only with YYYY/MM/SS
-New SQL distinct () function
-New SQL Union (), intersect () and difference () functions to work with
Collections
-MVCC (multi-version concurrency control) system is enabled also Òoutsideó
Transactions by default, but can is turned off
-Keyword +,-, *,/and% math operations in SQL Query
-Enforced security Geom
-Graphdb Support ListBox edges inclusive NonBlank
-The Core is JAVA5 compatible, the server needs JAVA6
-Issues Fixed in total!

Download Address: Http://orient.googlecode.com/files/orientdb-1.0rc2.zip