Physical: Design a model for implementing the logical model that considers the RDBMS to be used. During this phase, you’ll describe tables, indexes, and so on. The physical model is built on tables.

Those three kinds of data-model instances are conceptual schema, logical schema, and physical schema. Also see: What is Data Mining? Conceptual Schema ...

Data modeling advantage: The vendor offers a robust modeling tool that delivers visualizations of physical, conceptual and logical data structures. The platform can generate SQL scripts, thus ...

Keeping this in mind, the logical data model is a metaphor describing the piece of the organization under analysis. A first step in composing a logical data model is listing the entities, or business ...

Teradata Corp. has introduced the Utilities Logical Data Model (uLDM). As a utility's business needs evolve, the Teradata uLDM helps customer adapt their data warehouse physical model to ensure the ...

Data modeling best practices help define a formal process that gives structure and direction to an organization's data. Read more about data modeling now. Image: Song_about_summer/Adobe Stock ...

De-normalizing logical model to physical model depends on how data is queried. So query patterns need to be described in data model, in which entities are usually queried together.

Under far too many circumstances, those responsible for modeling data are ignoring the above perspective on primary keys and are simply defining surrogate keys for everything in their data model. One ...

Physical design: Translating the logical model into a physical design for a specific database system, with considerations for factors such as storage and performance.

ERwin, along with ER/Studio and PowerDesginer, allow: design logical and physical data models, print figures and shares them with developers and analysts, generates database objects based on ...