A logical database can stretch over multiple physical hard disks and information files. The data storage unit is still a single database for information retrieval purposes.

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 ...

Many neophyte data modelers have trouble distinguishing between logical and physical data models. These novices likely cannot explain why each model exists, or the differences expressed between them.

The IEEE 2883 standard on sanitizing data spells out methods for securely eliminating data from storage devices. This enables reuse and recycling of various digital storage devices and can ...

Under usual circumstances, the one-to-many or many-to-many relationship, alone, drives the pattern used within the database model. Certainly, the logical database model should represent the proper ...