A relational database (RDB) is a database based on the relational model of data, as proposed by E. F. Codd in 1970. A Relational Database Management System...

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

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

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...

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

"non-relational") refers to a type of database design that stores and retrieves data differently from the traditional table-based structure of relational databases...

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

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...

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

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...

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

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

XML database structure will avoid compatibility issues Data may need to be exposed or ingested as XML, so using another format such as relational forces...

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...

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

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

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...

are defined, it is possible to develop fuzzy relational databases. The first fuzzy relational database, FRDB, appeared in Maria Zemankova's dissertation...

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...

database term online transaction processing (OLTP). OLAP is part of the broader category of business intelligence, which also encompasses relational databases...

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

a domain-specific language used to manage data, especially in a relational database management system (RDBMS). It is particularly useful in handling...

supported only one model, such as: relational database, document-oriented database, graph database or triplestore. A database that combines many of these is...

end in order to retrieve data. When the relational database model emerged, one criticism of hierarchical database models was their close dependence on...

between cloud databases which are relational as opposed to non-relational or NoSQL: SQL databases SQL databases are one type of database which can run...

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

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