Entity-Relation Diagram and Schema are initial step of designing a database. The repository conatins ER Diagram and Schema for the following problem statement : To develop a system which will manage ...

A database schema defines its entities and the relationship among them. It contains a descriptive detail of the database , which can be depiced by means of schema diagram . Its the database designers ...

Abstract: As a formal tool extended from string grammars, graph grammars provide an intuitive yet formal way to define and transform various visual languages. This paper proposes an approach to ...