Below is an example of a logical schema: A physical data model or physical schema is a representation of an implementation design; it defines data abstraction within physical parameters.

A logical data model is required before you can even begin to design ... Of course, there are many other decisions that must be made during the transition from logical to physical. For example, each ...

The requirements for a logical ... database -- housing separate, large groups of data. The requirements for a physical database vary by the parameters of the storage device in question. For ...

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 ...

Logical data models detail how entities in the conceptual model map to tables, fields, indexes and relationships within a relational database. For example ... The physical data model specifies ...

For example, when building an account ... into physical choices and decisions long before the physical model should be considered. Logical models are based on functional dependencies between the data ...