CSC-137beginner

Data Modeling: Components & Representation

Data modeling turns real-world requirements into explicit structures, identities, relationships, constraints, and lifecycles. Data modeling supports databases, APIs, analytics, event systems, domain objects, reporting, integration, and long-term maintainability.

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Data Modeling: Components & Representation

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CSC-136Data Modeling: Core Concepts→

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CSC-138Data Modeling: How It Works→

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Data modeling turns real-world requirements into explicit structures, identities, relationships, constraints, and lifecycles.

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Normalization decomposes certain repeated or dependency-heavy structures so each fact is stored in a controlled place.

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Anomalies reveal weak models: duplicated values drift apart, deleting one record unexpectedly erases unrelated facts, or updates require changing many copies.