The requirements for a logical and physical database vary by size and design parameters. A logical database must be able to access and identify all files within the storage system to operate ...

With a focus on how the business operates at a high level, logical data flow diagrams are a great starting point, providing the outline needed to create more detailed physical data flow diagrams.

The end goal of database design is to be able to transform a logical data model into an actual physical database. A logical data model is required before you can even begin to design a physical ...

In the data modeling practice, entity is foundational, and a key element of the Entity-Relationship Diagram or ERD ... are introduced to logical entities by statements claiming that entities are the ...

High-level versus low-level. Logical implies a higher view than the physical. Users relate to data logically by data element name; however, the actual fields of data are physically located in ...