Heterogeneous Database System

Heterogeneous Database System

Bei einem Heterogenen-Datenbank-Verwaltungs-System (kurz: HDBMS) handelt es sich um ein automatisiertes (oder teil-automatisiertes) System zum Zusammenfassen heterogener, verschiedenartiger Datenbanken, um dem Benutzer ein einziges standardisiertes Anfragen-Interface zu bieten.

Hierbei handelt es sich nicht um verteilte Datenbanksysteme, sondern die Zusammenfassung verschiedener DBMS.


Technische Unterschiede


Unterschiede im Datenmodell

Es kann vorkommen, dass verschiedene DBMS auch verschiedene Wege gehen, die gleichen Daten zu speichern, z.B. die Encodierung der Spaltennamen.

Auch ist es nur schwer möglich, ein gemeinsames Abfragesystem für objektorientierte und relationale Datenbanken zu finden.

Wikimedia Foundation.

Schlagen Sie auch in anderen Wörterbüchern nach:

  • Heterogeneous Database System — A Heterogeneous Database System is an automated (or semi automated) system for the integration of heterogeneous, disparate database management systems to present a user with a single, unified query interface.Heterogeneous database systems (HDBS)… …   Wikipedia

  • Database system — A database system is a term that is typically used to encapsulate the constructs of a data model, database Management system (DBMS) and database.[1] A database is an organised pool of logically related data. Data is stored within the data… …   Wikipedia

  • Federated database system — A federated database system is a type of meta database management system (DBMS) which transparently integrates multiple autonomous database systems into a single federated database. The constituent databases are interconnected via a computer… …   Wikipedia

  • Database — A database is an organized collection of data for one or more purposes, usually 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… …   Wikipedia

  • System Architecture Evolution — (aka SAE) is the core network architecture of 3GPP s LTE wireless communication standard. SAE is the evolution of the GPRS Core Network, with some differences: simplified architecture all IP Network (AIPN) support for higher throughput and lower… …   Wikipedia

  • Distributed database management system — A distributed database management system ( DDBMS ) is a software system that permits the management of a distributed database and makes the distribution transparent to the users. A distributed database is a collection of multiple, logically… …   Wikipedia

  • Thermodynamic system — A thermodynamic system is a precisely defined macroscopic region of the universe, often called a physical system, that is studied using the principles of thermodynamics. All space in the universe outside the thermodynamic system is known as the… …   Wikipedia

  • Complex system — This article largely discusses complex systems as a subject of mathematics and the attempts to emulate physical complex systems with emergent properties. For other scientific and professional disciplines addressing complexity in their fields see… …   Wikipedia

  • Open system (systems theory) — This article is about systems theory. For other uses, see Open system (disambiguation). Open System Model (basics) An open system is a system which continuously interacts with its environment. The interaction can take the form of information,… …   Wikipedia

  • Executive information system — An Executive Information System (EIS) is a type of management information system intended to facilitate and support the information and decision making needs of senior executives by providing easy access to both internal and external information… …   Wikipedia