Relational Model is a data model based
on predicate logic and the theory of sets. Relational Model is most
commonly used today to manage data dynamically. Edgar Frank Codd
discovered it and IBM laboratory in San Jose, California; quickly
established it as a new paradigm in the database models. The basic idea
is the use of “relationships”. These relationships may be logically
considered as sets of data called “tuples”. Although this is the theory
of relational databases was created by Edgar Frank Codd , most of the
time it is conceptualized in a more easy to imagine, that is, thinking
in every relationship as if they were a table which consists of records
and columns (also called fields).…
Please read more- Relational Model : Outline
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