Data Warehouse - Evolution in Organization Use

Evolution in Organization Use

These terms refer to the level of sophistication of a data warehouse:

Offline operational data warehouse
Data warehouses in this stage of evolution are updated on a regular time cycle (usually daily, weekly or monthly) from the operational systems and the data is stored in an integrated reporting-oriented data
Offline data warehouse
Data warehouses at this stage are updated from data in the operational systems on a regular basis and the data warehouse data are stored in a data structure designed to facilitate reporting.
On time data warehouse
Online Integrated Data Warehousing represent the real time Data warehouses stage data in the warehouse is updated for every transaction performed on the source data
Integrated data warehouse
These data warehouses assemble data from different areas of business, so users can look up the information they need across other systems.

Read more about this topic:  Data Warehouse

Famous quotes containing the words evolution and/or organization:

    “As a natural process, of the same character as the development of a tree from its seed, or of a fowl from its egg, evolution excludes creation and all other kinds of supernatural intervention.”
    —Thomas Henry Huxley (1825–95)

    “Since wars begin in the minds of men, it is in the minds of men that the defences of peace must be constructed.”
    —Constitution of the United Nations Educational, Scientific, and Cultural Organization (UNESCO)