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2. List of relational database management systems - Wikipedia

   en.wikipedia.org/wiki/List_of_relational...

   Database Management Library: Proprietary Dataphor: Proprietary dBase: Proprietary Derby (aka Java DB) Apache License 2.0 Empress Embedded Database: Proprietary EnterpriseDB: Proprietary eXtremeDB: Proprietary Exasol: Proprietary Extensible Storage Engine: Proprietary FileMaker Pro: Proprietary Firebird: MPL/GPL/LGPL FoundationDB: Apache License ...

3. Category:Database management systems - Wikipedia

   en.wikipedia.org/wiki/Category:Database...

   A database management system (DBMS) is a computer program (or more typically, a suite of them) designed to manage a database, a large set of structured data, and run operations on the data requested by numerous users.

4. Lists of database management systems - Wikipedia

   en.wikipedia.org/wiki/Lists_of_database...

   List of relational database management systems, for database management systems based on the relational model. Comparison of object database management systems, showing what fundamental object database features are implemented natively; Document-oriented database, for storing, retrieving and managing document-oriented information

5. Database application - Wikipedia

   en.wikipedia.org/wiki/Database_application

   Examples of early database applications with Web interfaces include amazon.com, which used the Oracle relational database management system, the photo.net online community, whose implementation on top of Oracle was described in the book Database-Backed Web Sites (Ziff-Davis Press; May 1997), and eBay, also running Oracle. [1]

6. Database - Wikipedia

   en.wikipedia.org/wiki/Database

   Formally, a "database" refers to a set of related data accessed through the use of a "database management system" (DBMS), which is an integrated set of computer software that allows users to interact with one or more databases and provides access to all of the data contained in the database (although restrictions may exist that limit access to particular data).

7. Hierarchical database model - Wikipedia

   en.wikipedia.org/wiki/Hierarchical_database_model

   The IBM Information Management System (IMS) and RDM Mobile are examples of a hierarchical database system with multiple hierarchies over the same data. The hierarchical data model lost traction as Codd 's relational model became the de facto standard used by virtually all mainstream database management systems.

8. Relational database - Wikipedia

   en.wikipedia.org/wiki/Relational_database

   A database management system used to maintain relational databases is a relational database management system (RDBMS). Many relational database systems are equipped with the option of using SQL (Structured Query Language) for querying and updating the database.

9. Codd's 12 rules - Wikipedia

   en.wikipedia.org/wiki/Codd's_12_rules

   Codd's twelve rules [1] are a set of thirteen rules (numbered zero to twelve) proposed by Edgar F. Codd, a pioneer of 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.e., a relational database management system (RDBMS).