Comparison of object database management systems

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This is a comparison of notable object database management systems, showing what fundamental object database features are implemented natively.

Contents

NameCurrent 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 on Datalog)no types but classesopen source, FreeBSD-style licensehistorical 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 NoneObjects and code Proprietary, free version availablePersistent, transactional, multi-user Smalltalk developed by GemTalk Systems.
ObjectDatabase++ 4.4
(2015-07-03)		C++, TScript Proprietary Embedded
ObjectDB 2.4.6JavaNone, uses JPA or JDO Proprietary
Objectivity/DB 10.2.1 C++, C#, Java, Python, Smalltalk and XML SQL superset Proprietary Distributed, Parallel Query Engine
ObjectStore 7.2
(July 2011)		 C++, Java, interoperable with .NETSQL 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++, .NETSQL subset, DQLBasic 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, moreSQL 9x/200x GPL or proprietary
Perst Java: 4.38 (2015-03-18) C#: 4.46 (2014-08-23) Java (including Java SE, Java ME & Android), C# (including .NET, .NET Compact Framework, Mono & Silverlight)JSQL – object-oriented subset of SQLJava and .NET data types GPL, ProprietarySmall footprint embedded database. Diverse indexes and specialized collection classes; LINQ; replication; ACID transactions; native full text search; includes Silverlight, Android and Java ME demo apps.
Picolisp 3.1.1Picolisp MIT License DB built into the language
Versant Object Database / VOD / FastObjects10 (2021) / 9 (2015) / 14 (2020) C++ / Java / C# OQL (ODMG 3.0) Proprietary
Zope Object Database Python, CNo support. Object indexing and searching is done through ZCatalog facility. Zope Public License

See also

References

  1. ↑ "Db4o :: Java & .NET Object Database :: Db4o Opensource Compatibility License (DOCL)". Archived from the original on 2009-09-28. Retrieved 2009-06-10.
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