This is acomparison of notable object database management systems, showing what fundamentalobject database features are implemented natively.
| Name | Current Stable Version | Language(s) | SQL support | Datatypes | License | Description |
|---|---|---|---|---|---|---|
| Caché | 2017.2.1 | Caché ObjectScript (dynamic language), Basic. Java/.NET object mapping supported. | SQL subset. Object notation allowed. Supports embedded SQL, dynamic SQL and xDBC access. | Proprietary | MUMPS ancestry. Includes built-in support for XML, Web/AJAX and an EMB system called Ensemble. Supports embedded, client/server and distributed implementations. | |
| ConceptBase | 8.1.13 (2019-12-09) | Telos | CBQL (based onDatalog) | no types but classes | open source, FreeBSD-style license | historical db, active rules, meta-modeling, deductive rules |
| Db4o | 8.0 (2011-03-09) | C#,Java | db4o-sql | .NET and Java data types | GPL, custom,[1]proprietary | Native Queries, LINQ support, automatic schema evolution, Transparent Activation/Persistence, replication to RDBMS, Object Manager plugin for Visual Studio and Eclipse |
| GemStone/S | 3.7.4.3 (2025-07-22) | Smalltalk | None | Objects and code | Proprietary, free version available | Persistent, transactional, multi-user Smalltalk developed byGemTalk Systems. |
| ObjectDatabase++ | 4.4 (2015-07-03) | C++,TScript | Proprietary | Embedded | ||
| ObjectDB | 2.4.6 | Java | None, usesJPA orJDO | Proprietary | ||
| Objectivity/DB | 10.2.1 | C++,C#,Java,Python,Smalltalk andXML | SQL superset | Proprietary | Distributed, Parallel Query Engine | |
| ObjectStore | 7.2 (July 2011) | C++,Java, interoperable with .NET | SQL subset (also has own object query language) | Proprietary | Embedded database supporting efficient, distributed management of C++ and Java objects. Avoids the complexities and limitations of ORM products such as Hibernate by storing objects directly with their relationships intact. Uses a page-based mapping system for fast locking and efficient, distributed, client-side caching. | |
| ODABA | 12.3.0 (August 2013) | C++, .NET | SQL subset, DQL | Basic Types, Classes, Multiple inheritance, Weak Typed | GPL | Terminology-oriented database |
| OpenAccess | 2.2 | C++ | no | Proprietary | EDA database | |
| OpenLink Virtuoso (Virtuoso Universal Server) | 7.2.7 (May 2022) | C++,Java/JSP, ASP,ASPX, Mono,RDF,SPARQL,SPARUL,SQL, Perl,Python,PHP,Ruby,XML, ODBC, JDBC, ADO.NET, more | SQL 9x/200x | GPL or proprietary | ||
| Perst | Java: 4.38 (2015-03-18) C#: 4.46 (2014-08-23) | Java (includingJava SE,Java ME &Android),C# (including.NET,.NET Compact Framework,Mono &Silverlight) | JSQL – object-oriented subset of SQL | Java and .NET data types | GPL, Proprietary | Small footprintembedded database. Diverseindexes and specializedcollection classes;LINQ; replication;ACID transactions; nativefull text search; includes Silverlight, Android and Java ME demo apps. |
| Picolisp | 3.1.1 | Picolisp | MIT License | DB built into the language | ||
| Versant Object Database / VOD / FastObjects | 10 (2021) / 9 (2015) / 14 (2020) | C++ /Java /C# | OQL (ODMG 3.0) | Proprietary | ||
| Zope Object Database | Python, C | No support. Object indexing and searching is done through ZCatalog facility. | Zope Public License |
| Types | |
|---|---|
| Concepts | |
| Objects | |
| Components | |
| Functions | |
| Related topics | |
