Introduction:
»This session provides a brief overview about Data Warehouse and its architecture.
Objective:
After completing this session, you will be able to:
»Describe basic data warehouse concepts
»Explain Data warehouse architecture
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Data Warehousing Basics Session 01: Overview
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What is an Operational System?
Submitted by NITHYA on Thu, 10/11/2018 - 23:11Operational systems are what its name implies.
It is the system that help you to run the day-to-day enterprise operations.
These are the backbone systems of any enterprise, such as order entry inventory.
The classic examples are airline reservations, credit-card authorizations, ATM withdrawals, and so on.
Characteristics of Operational Systems
Submitted by NITHYA on Thu, 10/11/2018 - 23:12Following are the characteristic of operational system:
»Continuous availability
»Predefined access paths
»Transaction integrity
»High volume of transaction
»Low data volume per query
»Is used by operational staff
»Supports day to day control operations
»Supports large number of users