Data Modeling and Business System Designs

• : Order processing workflow, payment integration, notification system.

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✅ 4. Role of Business Analyst in Data Modeling and System Design

Activity	Business Analyst Role
Gathering data requirements	Work with stakeholders to identify what data is needed.
Creating conceptual/logical data models	Translate business needs into structured models.
Reviewing system architecture	Ensure design meets business and data requirements.
Validating design with stakeholders	Ensure alignment between system design and business goals.
Documenting functional and data requirements	Produce clear specifications for developers.

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✅ 5. Tools for Data Modeling and System Design

Purpose	Tools
Data Modeling (ERDs)	Lucidchart, Microsoft Visio, Draw.io, ER/Studio, dbdiagram.io
Process/System Design	Bizagi, Signavio, BPMN tools, Sparx Enterprise Architect
Wireframing/UI Design	Figma, Balsamiq, Adobe XD

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🎯 6. Benefits of Effective Data Modeling and System Design

Benefit	Impact
Clear understanding of data	Prevents errors and inconsistencies.
Efficient system development	Reduces rework and ensures alignment with needs.
Improved communication	Helps business and technical teams collaborate.
Scalable and maintainable systems	Supports future growth and changes.

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✅ Summary

Aspect	Data Modeling	Business System Design
Focus	How data is structured and related	How the system works to meet business needs
Output	ERDs, Data Dictionaries	System Architecture, Process Flows, UI designs
Used by	Business Analysts, Data Architects, Developers	Business Analysts, System Architects, Developers
Key Goal	Data clarity and consistency	Functional and efficient system

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