Tools and Techniques in Data Modeling|Software Engineering|SNS Institutions
Автор: Mahilnan V SNS
Загружено: 2026-01-26
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Key Aspects of Data Modeling
Goal: To create a clear, actionable map of data structures that aligns with business processes.
Key Components:
Entities: Objects or concepts (e.g., "Customer," "Order").
Attributes: Data points describing entities (e.g., "Customer Name," "Order Date").
Relationships: Connections between entities (e.g., "Customer places Order").
Stages of Data Modeling:
Conceptual Model: Identifies high-level business entities and requirements.
Logical Model: Defines attributes, relationships, and data structures without technical details.
Physical Model: Specifies the technical implementation, such as table structures, columns, and data types, for a specific database management system.
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