In
information technology
Information technology (IT) is the use of computers to create, process, store, retrieve, and exchange all kinds of data . and information. IT forms part of information and communications technology (ICT). An information technology system ...
, a disparate system or a disparate data system is a
computer data processing system that was designed to operate as a fundamentally distinct
data processing system without exchanging data or interacting with other computer data processing systems.
Legacy systems are examples of disparate data systems as are heterogeneous database data systems. A disparate system is often characterized as an
information silo because of the data system's isolation from or incompatibility with any other data systems.
Overview
Each data system may be envisioned as being composed of a software layer or
applications architecture
In information systems, applications architecture or application architecture is one of several architecture domains that form the pillars of an enterprise architecture (EA).
An applications architecture describes the behavior of applications ...
, a data layer or
data architecture
Data architecture consist of models, policies, rules, and standards that govern which data is collected and how it is stored, arranged, integrated, and put to use in data systems and in organizations. Data is usually one of several architecture dom ...
, and a data processing environment layer or technical architecture. Any of these three layers may contribute to forming a disparate data system.
See also
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References
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Information technology
Information systems
Data partitioning