OrientDB

Release Notes: This release adds a new TRAVERSE command to traverse records by relationships, a new fetch plan to support more complex use cases, an asynchronous API to speed inserts, updates, and deletes via a remote network, a new DECIMAL type to handle currency without the pains of float and double types, a strict schema mode to work like a Relational DBMS, resolution of the "big-node" problem when a record has many links to other records by using an MVRB-Tree to handle relationships, new NOT and INSTANCEOF operators for SQL, an index which works against MAP types, support for JPA @Embedded annotation, and bugfixes for 54 issues.

Release Notes: Transactions: improved speed, up to 500x. New Multi-Master replication (will be final in the next v1.0). The SQL insert supports MAP syntax. There is a new date() function. The HTTP interface has JSONP support. create-database, import-database, and export-database have been added, and many bugs have been fixed (34 issues in total).

Release Notes: Link navigation was improved in the SQL engine. The console received a new "list databases" command. The index now supports composite indexes and indexing of collections. JPA now supports @Embedded and @Transient annotations. In Object Database, lazy loading can now be enabled or disabled. Server has a new automatic backup task and can be installed as a Windows Service. Load balancing in clustered configuration was added to the client.

Release Notes: The new SQL [] operator was added to extract items from lists, sets, maps, and arrays. ORDER BY works with projection alias. Cross trees and graphs in projections. The IN operator uses Index when available. All known bugs on transaction recovery were fixed. The memory management of MVRB-Tree was rewritten to be faster and to use much less RAM. The common and core modules are compatible with Java 5.

Release Notes: The SQL engine received improved support for functions and operators in the chain. Array, collection, and maps are now supported as query parameters. A new SQL TRUNCATE RECORD command was implemented. JARs are now OSGi compliant. Problems with drop clusters were amongst the 21 issues fixed in total.