The following Database Management Systems (DBMSs) have at least some object-relational features. They vary widely in their completeness and the approaches taken. An object-relational database ( ORD) or object-relational database management system ( ORDBMS) is a Database management system (DBMS similar The following tables compare general and technical information for a number of object-relational database management systems. An object-relational database ( ORD) or object-relational database management system ( ORDBMS) is a Database management system (DBMS similar Please see the individual products' articles for further information. This article is not all-inclusive or necessarily up-to-date. Unless otherwise specified in footnotes, comparisons are based on the stable versions without any add-ons, extensions or external programs.
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Fundamental features
Information about what fundamental ORDBMSes features are implemented natively.
| Type | Method | Type inheritance | Table inheritance | |
|---|---|---|---|---|
| Oracle | Yes | Yes[1] | Yes | Yes |
| OpenLink Virtuoso | Yes | Yes | Yes | Yes |
| PostgreSQL | Yes | Yes | Yes | Yes |
Notes
- ^ No private methods, no way to call super method from a child. A data type in Programming languages is an attribute of a datum which tells the computer (and the programmer something about the kind of datum it is In Object-oriented programming, the term method refers to a Subroutine that is exclusively associated either with a class (called class methods In Object-oriented programming, inheritance is a way to form new classes (instances of which are called objects using classes that have already been defined Oracle Database (commonly referred to as Oracle RDBMS or simply Oracle) is a Relational database management system (RDBMS produced and marketed by Virtuoso Universal Server is a Middleware and Database engine hybrid that combines the functionality of a traditional RDBMS, ORDBMS, Virtual PostgreSQL is an Object-relational database management system (ORDBMS
Data types
Information about what data types are implemented natively.
| Array | List | Set | Multiset | Object reference | |
|---|---|---|---|---|---|
| Oracle | Yes | Yes | Yes | Yes | Yes |
| OpenLink Virtuoso | Yes | Yes | Yes | Yes | Yes |
| PostgreSQL | Yes | Yes | Yes | Yes | Yes |
See also
- List of relational database management systems
- Comparison of relational database management systems
- Comparison of database tools
External links
In Computer science an array is a Data structure consisting of a group of elements that are accessed by indexing. In Computer science, a list is an ordered collection of entities / Items In the context of Object-oriented programming languages In Mathematics, a multiset (or bag) is a generalization of a set. In Computer science, a reference is an object containing information which refers to data stored elsewhere as opposed to containing the data itself Oracle Database (commonly referred to as Oracle RDBMS or simply Oracle) is a Relational database management system (RDBMS produced and marketed by Virtuoso Universal Server is a Middleware and Database engine hybrid that combines the functionality of a traditional RDBMS, ORDBMS, Virtual PostgreSQL is an Object-relational database management system (ORDBMS See DBMS for a shorter list of “typical” representative database management systems The following tables compare general and technical information for a number of Relational database management systems Please see the individual products' articles for further information The following tables compare general and technical information for a number of available database administrator tools.Dapyx Software network: MP3 Explorer | Ebook Manager | Zenithic