A relational database (RDB) is a database based on the relational model of data, as proposed by E. F. Codd in 1970. A database management system used to...

object–relational database (ORD), or object–relational database management system (ORDBMS), is a database management system (DBMS) similar to a relational database...

grouped into relations. A database organized in terms of the relational model is a relational database. The purpose of the relational model is to provide a...

Database normalization is the process of structuring a relational database accordance with a series of so-called normal forms in order to reduce data redundancy...

This is a list of relational database management systems.   Proprietary   Open source Apache OpenOffice Base HSQLDB LibreOffice Base Firebird HSQLDB Microsoft...

Amazon Relational Database Service (or Amazon RDS) is a distributed relational database service by Amazon Web Services (AWS). It is a web service running...

NoSQL (originally referring to "non-SQL" or "non-relational") is an approach to database design that focuses on providing a mechanism for storage and...

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...

scientists may classify database management systems according to the database models that they support. Relational databases became dominant in the 1980s...

than one parent. In the field of relational database design, normalization is a systematic way of ensuring that a database structure is suitable for general-purpose...

comparison of object–relational database management systems (ORDBMSs). Each system has at least some features of an object–relational database; they vary widely...

domain-driven object models. Relational Database Management Systems (RDBMS) is the standard method for storing data in a dedicated database, while object-oriented...

technologies to graph databases. Also in the 2010s, multi-model databases that supported graph models (and other models such as relational database or document-oriented...

In database theory, relational algebra is a theory that uses algebraic structures for modeling data and defining queries on it with well founded semantics...

a database model is the relational model, which uses a table-based format. Common logical data models for databases include: Hierarchical database model...

of relational database management systems Comparison of object–relational database management systems Database management system List of relational database...

This limitation, along with the relational model's ease of use, contributed to the popularity of relational databases, despite their initially lower performance...

programming. Object databases are different from relational databases which are table-oriented. A third type, object–relational databases, is a hybrid of...

tables compare general and technical information for a number of relational database management systems. Please see the individual products' articles...

ArangoDB native multi-model database system. .QL is a proprietary object-oriented query language for querying relational databases; successor of Datalog; CodeQL...

programming techniques. Document databases contrast strongly with the traditional relational database (RDB). Relational databases generally store data in separate...

A distributional–relational database, or word-vector database, is a database management system (DBMS) that uses distributional word-vector representations...

The database schema is the structure of a database described in a formal language supported typically by a relational database management system (RDBMS)...

Ingres Database (/ɪŋˈɡrɛs/ ing-GRESS) is a proprietary SQL relational database management system intended to support large commercial and government applications...

the relational model for databases and provide a declarative way to specify database queries. The raison d'être of relational calculus is the formalization...

A spatial database is a general-purpose database (usually a relational database) that has been enhanced to include spatial data that represents objects...

including database servers, developed by IBM. It initially supported the relational model, but was extended to support object–relational features and...

all relational database applications. For clarification, a database server is simply a server that maintains services related to clients via database applications...

independent author, lecturer, researcher, and consultant, specializing in relational database theory. Chris Date attended High Wycombe Royal Grammar School (U...

IBM, invented the relational model for database management, the theoretical basis for relational databases and relational database management systems...