INTRODUCTION TO DATA WAREHOUSE
Most of the companies are having vast potential information in their organization. The data has all the information about the performance & the trends an organization has gone through during the past few years. If they can tap into this information they can improve the quality of decision making. The problem is that their operational systems were never designed to support this kind of business activity. To meet these needs new technology was introduced which is known as DATA WAREHOUSE.
DATA WAREHOUSE DEFINITION ( 1 )
· Foundation of Decision Support System
· To take facts based decisions
· Building intelligence to business.
WHAT IS BUSINESS INTELLIGENCE ?
· Converting information into knowledge.
· Converting information into actionable decisions.
· Discovering unknown things.
WHY A COMPANY NEEDS BUSINESS INTELLIGENCE?
· To make better decisions.
· Increase Sales.
· Deepen Customer relationships
· Build better products
· Provide better services
· Streamline operations
· Reduce costs.
BI TERMINOLOGY
· Data Warehouse
· Data Mart
· OLAP
· Mining
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