What Is Data Modeling? From Requirements to Conceptual, Logical and Physical Models
Data modeling means deciding which data you store and under which rules before writing code; if the schema is wrong, no index makes it right. Using the Bookstore, we show the conceptual, logical and physical levels, extracting entities, relationships and rules from requirement sentences, the access pattern list, and why an EF Core schema derived from a screen class turns into a single table full of JSON.
14 Nov 2026
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14 min
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6
