A logical data model is a high-level representation of your data that focuses on the concepts, entities, attributes, and relationships that are relevant to your business domain.

In other words, the logical model must be able to produce all known reports, queries, and so on. In addition, the user must be able to enter and manipulate data in a reasonable fashion.

5 Developing a conceptual model. A conceptual model is defined by Tappenden as 'the abstraction and representation of complex phenomena of interest in some readily expressible form, such that the ...

Back in the 1970s, the ANSI SPARC three-tiered model arose, foreshadowing a smooth intertwining of data and architectural design. The three tiers concept isolated the physical storage needs of data ...

This paper presents a logical database design methodology for a MongoDB NoSQL database. Given a query, the design methodology is able to assist database designers to determine the best set of ...