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  2. Database - Wikipedia

    en.wikipedia.org/wiki/Database

    A database management system provides three views of the database data: The external level defines how each group of end-users sees the organization of data in the database. A single database can have any number of views at the external level. The conceptual level (or logical level) unifies the various external views into a compatible global ...

  3. Outline of databases - Wikipedia

    en.wikipedia.org/wiki/Outline_of_databases

    The following is provided as an overview of and topical guide to databases: Database – organized collection of data, today typically in digital form. The data are typically organized to model relevant aspects of reality (for example, the availability of rooms in hotels), in a way that supports processes requiring this information (for example, finding a hotel with vacancies).

  4. Category:Types of databases - Wikipedia

    en.wikipedia.org/wiki/Category:Types_of_databases

    Tz database (3 P) V. Vector databases (2 P) X. XML databases (9 P) Pages in category "Types of databases" The following 37 pages are in this category, out of 37 total.

  5. 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 ...

  6. List of academic databases and search engines - Wikipedia

    en.wikipedia.org/wiki/List_of_academic_databases...

    Furthermore, some programs are only partly free (for example, accessing abstracts or a small number of items), whereas complete access is prohibited (login or institutional subscription required). The "Size" column denotes the number of documents (articles, publications, datasets, preprints) rather than the number of citations or references.

  7. 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. [3]

  8. List of online databases - Wikipedia

    en.wikipedia.org/wiki/List_of_online_databases

    IGDB (Internet Games Database) IMDb (Internet Movie Database) INDUCKS; IndexMaster; Informit (database) Inorganic Crystal Structure Database; Interment.net

  9. Database model - Wikipedia

    en.wikipedia.org/wiki/Database_model

    A database model is a type of data model that determines the logical structure of a database. It fundamentally determines in which manner data can be stored, organized and manipulated. The most popular example of a database model is the relational model, which uses a table-based format.