Transcription of n Database Modeling representation of the …
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n Database Modeling representation of the …
1DB212 Peter Lo 20041 Database Modeling (Part 1)DB212 Peter Lo 20042 Entity-Relationship ModelnA conceptual data model, which is a representation of the structure of a Database that is independent of the software that will be used to implement the databaseDB212 Peter Lo 20043 Entity-Relationship ModelNameEmployee nameAddressEMPLOYEEDB212 Peter Lo 20044 EntitynAn Entity can be a person, place, object, event or concept in the user environment about which the organization wishes to maintain :uPerson:EMPLOYEE, STUDENT, PATIENTuPlace:STATE, REGION, COUNTRYuObject:MACHINE, BUILDINGuEvent:SALE.
1 DB212 © Peter Lo 2004 1 Database Modeling (Part 1) DB212 © Peter Lo 2004 2 Entity-Relationship Model nA conceptual data model, which is a representation of the ...
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