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 ...

Relationships and entity relationship diagrams A table in a database holds the attributes for one entity only. Data can then be added in the form of records.

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