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Transcript of Chapter 5 Planning for a Successful Warehouse. Financial Justification zIntangible Benefits (45%) -...
![Page 1: Chapter 5 Planning for a Successful Warehouse. Financial Justification zIntangible Benefits (45%) - Remain competitive - Respond to changing business.](https://reader035.fdocuments.us/reader035/viewer/2022062516/56649da85503460f94a950dc/html5/thumbnails/1.jpg)
Chapter 5
Planning for a Successful Warehouse
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Financial Justification
Intangible Benefits (45%) - Remain competitive - Respond to changing business conditions - Support reorganization
Better Data and Better Decision Making (25%)
- Reduce IS costs - Better response time - Rigorous reportingProductivity or ROI (30%) - For internal users - For external users
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ROI and Associated Costs
Build a strong case
- Costs - ROI - Profitability - Efficiency - Objectives
Consider - Impact of time for ETT - Additional storage requirements - Cost of redundant data - Cost of database, software licenses, labor
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Funding the ProjectState that initial systems integration costs
are high.Determine who funds the project: - Information systems--development group - Department--users
Informationsystems
Selectedsubject for
pilot
Department
Department
DepartmentMore subjects
funds by end-userorganizations
Small staffShort duration
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Charging Back Costs
Some warehouses do not charge initially.Benefits:
- Encourages efficient use - Provides shared costsDrawbacks: - Users cannot dwell on detail - Users try to reduce costs - Machine resources are taken up monitoring use.
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Obtaining Business Commitment
Ensure that the warehouse: - Has total support - Is driven by the businessResearch the problemIdentify goals, visions, prioritiesResearch the solutionIdentify the benefitsIdentify the constraints
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Data Warehouse Champion
Maintains intergroup communicationSettles conflictsIdentifies and solves issuesArticulates the visionBrings in business expertiseOrganizes and supports the teamCommunicates progressBrings the data warehouse to life
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Steering Committee
Business executives Information systems
representativesKnowledge workers
Provides directionDecides upon implementation issuesSets prioritiesAssists with resource allocationCommunicates to all levels at all times
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Warehouse Data Ownership
Users must own the dataUsers must be involved throughoutUsers must be part of the steering
committee: - Enhances cooperation - Reduces friction - Helps meet requirements - Enhances feedback
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Managing a Warehouse Project
Determine organizational readiness for the warehouse
Adopt an incremental approach to warehouse development
Set expectationsManage expectationsAssemble the project teamEstimate the data warehouse projectRecognize critical success factors
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Determining Organizational Readiness for the Warehouse
1.Are the objectives and business drivers clearly defined, compelling, and agreed upon?
2. Have you selected a methodology for design, development, and implementation?
3. Is the project scope clearly defined, with a focus on business rather than technology?
4. Is there strong support from a business management sponsor?
5. Does the business management sponsor have specific expectations?
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Determining Organizational Readiness for the Warehouse
6. Are there cooperative relations between business and Information Systems staff?
7. Have you identified which source data will be used to populate the data warehouse?
8. What is the quality and “cleanliness” of the source data?9. Are you authorized to choose and acquire hardware and
software to implement the warehouse?10. Are you prepared to select and train your implementation team?
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Setting Expectations
IncrementalScope
Rollout timePhases
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Managing Expectations
DocumentingInforming sponsorsReporting progress to end users
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Assembling the Project Team
Project manager/Project leaderArchitectExecutive sponsorData analystDatabase or system administrator
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Estimating the Data Warehouse Project
Bottom-Up Project Estimate
Percentage of Project Effort A B C D E F TotalRequirements definition 3.2 0.25 0.79 4.10%Data acquisition 0.74 0.23 1.36 6.69 6.26 0.85 16.10%Architecture 1 0.59 0.84 2.22 5.28 9.90%Data quality 0.2 0.32 0.39 3.22 0.2 4.30%Administration 0.3 0.12 0.23 4.51 5.84 11.00%…
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Recognizing Critical Success Factors
Focus on the business, not the technology
Use an iterative development methodology
Include end users on the project team
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Identifying Planning Phases
Strategy
Analysis
Design
Build
Production
Scope
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Strategy Phase Deliverables
Strategy
Analysis
Design
Build
Production
Scope
Phases
Business goals and objectives
Data warehouse purpose, objectives, and scope
Incremental milestones
Source system data flows
Subject area gap analysis
Data acquisition strategy
The Strategy Phase
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Strategy Phase Deliverables
Strategy
Analysis
Design
Build
Production
Scope
Phases
Data warehouse architecture
Technical infrastructure
Data quality strategy
Data warehouseadministration strategy
Metadata strategy
Training strategy
The Strategy Phase
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Defining the Warehouse Project Scope
Focus on the business, not the technology
Break down the project into manageable phases
Encourage rapid turnaround on deliverables
Always include the end users on the team
Strategy
Analysis
Design
Build
Production
Scope
Phases
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Scope Phase Deliverables
Strategy
Analysis
Design
Build
Production
Scope
PhasesBusiness requirements
definition
Data sources
Load and refresh plans
Technical architecture
Data warehouse architecture
The Scope Phase
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Scope Phase Deliverables
Strategy
Analysis
Design
Build
Production
Scope
PhasesBusiness requirements
definition
Data sources
Load and refresh plans
Technical architecture
Data warehouse architecture
The Scope Phase
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Scope Phase Deliverables
Strategy
Analysis
Design
Build
Production
Scope
Phases
Data Quality
Warehouse administrationplan
Metadata integration plan
Data access plan
Training plan
The Scope Phase
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Summary
This lesson discussed the following topics:Cultivating management support, both
financial and political, for the warehouseDeveloping a realistic scope that products
deliverables in short time frames to help ensure success
Assessing your organization’s readiness for a data warehouse
Setting realistic expectations