Lecture 3 presents a method to construct the database schema by means of an entity-relationship diagram for the application domain. Entity-relationship diagram is the data model of this domain.

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Spread the loveAn entity-relationship diagram (ERD) is a visual representation of data that describes the relationships among entities in a database. It is used in database design to illustrate the ...

Current database reverse engineering researches presume that the information regarding semantics of attributes, primary keys, and foreign keys in database tables is complete. However, this may not be ...

For Higher Computing Science revise how entities and attributes are identified prior to implementation of a database design.

Entity Relationship (ER) model for database design was developed by Peter Chen of MIT in 1976. This is an intuitive and conceptual representation of the data model. It is normally represented as an ...