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 transform Entity ...

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A table in a database holds the attributes for one entity only. Data can then be added in the form of records. Rather than storing information in one table, relational databases store data across ...

National 5 Design Relationships and entity relationship diagrams Designing queries and establishing a data dictionary are important. Decisions should be informed by the Data Protection Act.