Logical Schema. A logical data model or logical schema is a representation of the abstract structure of the information domain that defines all the logical constraints applied to the data stored.

The fundamental data structure in a data processing system. Any unit of data defined for processing is a data element; for example, ACCOUNT NUMBER, NAME, ADDRESS and CITY. A data element is ...

Logical data model provides underlying structure for communication companies` customer relationship management information needs By Alison Bull Communications Johannesburg, 10 May 2001 ...