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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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 ...

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 ...

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 ...