Implementing an efficient and trouble-free design is close to impossible if you don't take the time to actually create a logical model ... separate entity, as listed in Table B. The data types ...

The entity-relationship model is a graphical representation ... and define what types of data are needed. The logical data model contains more detail than the conceptual data model and includes ...

A logical schema defines the design of ... or a piece of data. The entity-relationship data modeling technique was developed for databases and introduced by Peter Chen in 1976.

Building a logical data model can be done quickly ... Each and every item, be it entity, attribute, or relationship, is instantiating and riddled with business rules. And as one should expect, the ...

An entity-relationship diagram may also ... to meet organizational objectives. Logical data models detail how entities in the conceptual model map to tables, fields, indexes and relationships ...

One of the principles within relational theory is that each entity’s row or tuple be uniquely identifiable ... then one might best take a step back and review the logical data modeling process. Under ...