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database management system
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A collection of programs that enables you to store, modify, and extract information from a database. There are many different types of DBMSs, ranging from small systems that run on personal computers to huge systems that run on mainframes. The following are examples of database applications:
  • computerized library systems
    • automated teller machines
  • flight reservation systems
    • computerized parts inventory systems

    From a technical standpoint, DBMSs can differ widely. The terms relational, network, flat, and hierarchical all refer to the way a DBMS organizes information internally. The internal organization can affect how quickly and flexibly you can extract information.

    Requests for information from a database are made in the form of a query, which is a stylized question. For example, the query

    SELECT ALL WHERE NAME = "SMITH" AND AGE > 35

    requests all records in which the NAME field is SMITH and the AGE field is greater than 35. The set of rules for constructing queries is known as a query language. Different DBMSs support different query languages, although there is a semi-standardized query language called SQL (structured query language). Sophisticated languages for managing database systems are called fourth-generation languages, or 4GLs for short.

    The information from a database can be presented in a variety of formats. Most DBMSs include a report writer program that enables you to output data in the form of a report. Many DBMSs also include a graphics component that enables you to output information in the form of graphs and charts.



    For internet.com pages about database management system, . Also, check out the following links!


    More Information

    Outstanding Page Oracle Corporation home page
    The Oracle home page provides links to their line of products and solutions, corporate information and news, support, education, events, and partner information. Updated on Aug 1, 1998

    Outstanding Page Sybase home page
    Sybase, Inc. provides client/server and Internet software and services. Their home page offers links to their line of products, events and seminars, services and support, and corporate information. Updated on Aug 4, 1998

      Computer Corporation of America (CCA) home page
    CCA is a provider of high-performance database management system solutions for business, government and education. This page features the Model 204 and System 1032 database management systems, along with company and education information, and Web related links. Updated on Apr 27, 1998

      DBMS Magazine Archives
    Archived list of articles for DBMS Magazine. Updated on Aug 1, 1998

      DBSUMMIT home page
    Provides information on upcoming database related conferences. Updated on Sep 20, 1997

      Empress Software home page
    Empress Software is developer of relational database management system products. Here, they feature the Empress RDBMS product, along with links to news, company and product information, and sales offices. Updated on Jul 8, 1998

      FirstBase RDBMS Application Builder product
    Describes the FirstBase relational database management system, related tools and features. Updated on Jan 29, 1998

      IBM DataHub for OS/2 product information
    Provides information on IBM's relational database management system, the IBM DataHub, for managing the IBM DB2 family of relational databases. Updated on Aug 1, 1998

      Informix home page
    Informix specializes in relational database management systems, connectivity and OLAP products, and application development tools. Their home page offers links to company and product information, solutions, partners, services, and events. Updated on Aug 4, 1998

      KB Systems home page
    KB (Knowledge Based) Systems is a provider of relational database management tools for the M application development and user community. This home page offers links to their products and services, company information, and related Web links. Updated on Oct 10, 1997

      Object Database Management Group
    Offers information about ODMG, a consortium of database management system vendors who are working on progressing specific standards of customer software across DBMS products. There are also direct links to more detailed information about ODMG. Updated on May 30, 1997

      Object Design, Inc. home page
    Object Design develops, markets and supports the ObjectStore database management system and related tools used to build and deploy Internet, Intranet, and other applications. Their home page offers links to company information, news, solution and product information, events, services, and demos. Updated on Nov 6, 1997

      Pick Systems home page
    Pick Systems develops multidimensional database technology products. Their informative home page offers links to their database products, DBMS Web links, articles, release information, and online documentation. Updated on Aug 4, 1998

      Progress Software home page
    Progress Software Corporation is a leading provider of application development technology and support services to business, industry and government worldwide. Their home page offers links to company information, products and services, partners, news, and events. Updated on Jul 31, 1998

      Quadbase Systems home page
    Quadbase Systems specializes in open client/server SQL database management systems and tools. This page contains links to product and company information, demos, and standards and white papers. Updated on Jul 21, 1998

      Red Brick Systems home page
    Red Brick Systems engineers and supports a high-performance relational database management system (RDBMS) which is specially designed for serving data warehouse applications. Their home page offers links to their products and services, company information, white papers, and customer success stories. Updated on May 7, 1998

      STATISTICA product page
    This is the data management description page for the STATISTICA product, a comprehensive, integrated statistical data analysis, graphics, and data base management system developed by StatSoft, Inc. Updated on Jul 2, 1998

      Yahoo!'s database shareware page
    Yahoo!'s directory of database shareware. Updated on Aug 4, 1998

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