Page 173 - DCAP104_EXPOSURE_TO_COMPUTER_DISCPLINES

Exposure to Computer Disciplines

Notes
Figure 8.2: Data Warehouse Architecture

Distributed Database
These are databases of local work-groups and departments at regional offices, branch offices,
manufacturing plants and other work sites. These databases can include segments of both
common operational and common user databases, as well as data generated and used only at a
user’s own site.

Figure 8.3: Distributed Database

Local DB
Local DB
Local DB
Local DB
Seametal Stations Seametal Stations

Backap

Central Server Local DB

Viewing Stations Supervising Stations

End-user Database

These databases consist of data developed by individual end-users. Examples of these are
collections of documents in spreadsheets, word processing and downloaded files, even managing
their personal baseball card collection.
External Log Database

These databases contain data collected for use across multiple organizations, either freely or via
subscription. The Internet Movie Database is one example.

166 LOVELY PROFESSIONAL UNIVERSITY