This is concept of datawarehosuing next level performance.

1. Data Warehouse Concepts & Architecture

3. Why Do We Need A Data Warehouse ? We Can Only See - What We Can See ! Data Warehouse Concepts

4. Why Do We Need A Data Warehouse ? Data Warehouse Concepts BETTER ! FASTER ! FUNCTIONALLY COMPLETE ! CHEAPER !

5. Data Driven Vs. Order Processing Data Function Driven Data Warehouse Development Perspective Data Warehouse Concepts Data A/P O/P DSS EIS

6. What Do We Need To Do ? Use Operational Legacy Systems’ Data: To Build Operational Data Store, That Integrate Into Corporate Data Warehouse, That Spin-off Data Marts. Some May Tell You To Develop These In Reverse! Data Warehouse Concepts

7. Our Goal for A Data Warehouse ? • Collect Data -Scrub, Integrate & Make It Accessible • Provide Information - For Our Businesses • Start Managing Knowledge • So Our Business Partners Will Gain Wisdom ! Data Warehouse Concepts

9. Data Warehouse Concepts Subject Oriented Data is Integrated and Loaded by Subject D/W Data 1996 1997 1996 1998 A/R O/P Cust Prod

11. Data Warehouse Concepts Integrated

13. Data Warehouse Concepts Data Warehouse Concepts Data Warehouse Environment Architecture Contains Integrated Data From Multiple Legacy Applications Mktg Best System of Record Data Load Read Insert Update Delete Replace ODS D/W Load All Or Part Of System of Record Data Data Warehouse Load Criteria Data Mart Loads A/R HR A/P O/P Pay Integration Criteria D/W Read Data Mart Data Mart

14. Data Warehouse Concepts Meta Data - Map of Integration The Data That Provides the “Card Catalogue” Of References For All Data Within The Data Warehouse Data Source Source Data Structure Allowable Domains System of Record D/W Structure Definition Aliases Data Relationships

15. Data Warehouse Concepts ODS Vs. Data Warehouse

18. Relationship Among Data Warehouse Data Models Operational Data Store Physical Model Current Structure Data Load Tactical Business Reqmts & Structures Validation of Current Data Business Requirements Structured Requirements Data Warehouse Concepts Strategic Business Requirements Business Requirements Logical Model Current Database Physical Model Data Whse Requirements Transition Model Business Partner Knowledge & Wisdom Data Warehouse Physical Model

19. Sources of Data Warehouse Data Archives (Historic Data) Current Systems of Record (Recent History) Operational Transactions (Future Data Source) Data Warehouse Concepts Enterprise Data Warehouse

23. Data Warehouse Concepts Options for Viewing Data • Text • •

27. Questions and Answers Data Warehouse Concepts