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2. Object–relational database - Wikipedia

   en.wikipedia.org/wiki/Object–relational_database

   An object–relational database (ORD), or object–relational database management system (ORDBMS), is a database management system (DBMS) similar to a relational database, but with an object-oriented database model: objects, classes and inheritance are directly supported in database schemas and in the query language.

3. Comparison of object database management systems - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_object...

   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)

4. Object database - Wikipedia

   en.wikipedia.org/wiki/Object_database

   The Object Data Management Group was a consortium of object database and object–relational mapping vendors, members of the academic community, and interested parties. Its goal was to create a set of specifications that would allow for portable applications that store objects in database management systems.

5. Hibernate (framework) - Wikipedia

   en.wikipedia.org/wiki/Hibernate_(framework)

   Hibernate handles object–relational impedance mismatch problems by replacing direct, persistent database accesses with high-level object handling functions. Hibernate is free software that is distributed under the GNU Lesser General Public License 2.1. Hibernate's primary feature is mapping from Java classes to database tables, and mapping ...

6. Object–relational impedance mismatch - Wikipedia

   en.wikipedia.org/wiki/Object–relational...

   Object–relational impedance mismatch is a set of difficulties going between data in relational data stores and data in domain-driven object models. Relational Database Management Systems (RDBMS) is the standard method for storing data in a dedicated database, while object-oriented (OO) programming is the default method for business-centric design in programming languages.

7. Object–relational mapping - Wikipedia

   en.wikipedia.org/wiki/Object–relational_mapping

   Object–relational mapping (ORM, O/RM, and O/R mapping tool) in computer science is a programming technique for converting data between a relational database and the memory (usually the heap) of an object-oriented programming language. This creates, in effect, a virtual object database that can be used from within the programming language.

8. Db4o - Wikipedia

   en.wikipedia.org/wiki/Db4o

   Development with db4o database does not require a separate data model creation, the application's class model defines the structure of the data. db4o attempts to avoid the object/relational impedance mismatch by eliminating the relational layer from a software project. db4o is written in Java and .NET and provides the respective APIs. It can ...

9. List of object–relational mapping software - Wikipedia

   en.wikipedia.org/wiki/List_of_object–relational...

   Enterprise Objects Framework, Mac OS X/Java, part of Apple WebObjects; Hibernate, open-source ORM framework, widely used; Java Data Objects (JDO) JOOQ Object Oriented Querying (jOOQ) Kodo, commercial implementation of both Java Data Objects and Java Persistence API; TopLink by Oracle