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...

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...

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

"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...

development of database technology can be divided into three eras based on data model or structure: navigational, SQL/relational, and post-relational. The two...

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...

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...

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

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

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...

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

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

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

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

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

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

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

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

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

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

the relational model for databases, designed to define what is required from a database management system in order for it to be considered relational, i...

(organization of data in a database) which does not meet any of the conditions of database normalization defined by the relational model. Database systems which support...

of relational database software for computers using the Unix, Microsoft Windows, and Apple Macintosh operating systems. 1980: Relational Database Systems...

provides methods to query and update data in a database, and is oriented toward relational databases. A JDBC-to-ODBC bridge enables connections to any...