OrientDB is a NoSQL DBMS which can store 150,000 documents per second on common hardware. Even with a document-based database, the relationships are managed as in graph databases, with direct connections among records. You can traverse entire or parts of trees and graphs of records in a few milliseconds. It supports schema-less, schema-full, and schema-mixed modes, has a strong security profiling system based on users and roles, and supports SQL between the query languages. Thanks to the SQL layer, it's straightforward to use for people skilled in the relational world.
|Tags||NoSQL Database Document Repositories graph database|
|Operating Systems||Cross Platform|
OrientDB becomes Distributed using Hazelcast, Leading Open Source In-Memory Data Grid
Elastic Distributed scalability added to OrientDB, a Graph...
Release Notes: For Core, this release supports retro-compatibility for databases created with OrientDB v1.5 or higher, improves performance on ORDER BY against indexes, and improves performance on RENAME CLASS. For Graph, it adds support for vertex-centric traversal by using SQL. For SQL, it adds an UPSERT keyword to execute an INSERT or UPDATE based on a condition, and UPDATE can now ADD to sub-document fields. For Indexes, it adds support for external engines. For Studio, it adds a new Query Timeline to the History and a new Index Panel.
Release Notes: A new LINKBag to manage LINKS. This drastically improves performance. 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: support for headers and partial updates. Database deployment is now chunked.
Release Notes: This release integrates the Blueprints API in the “graphdb” module and adds bugfixes.
Release Notes: 22 issues were fixed.
Release Notes: This release adds a COLLATE keyword for case-insensitive comparison and fixes 22 issues.