EXTENDED ER TO RELATIONAL MODEL:GENERALIZATION SPECIALIZATION AGGREGATION

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Комментарии
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In the specialization and generalization part,
You said primary key of Textbook, language book and novel is 'ISBN'.
Does primary key of top side entity should be primary key of downside entities? or can it be also foreign key of downside entities?

cutiemaltesegucci
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make videos on CN, SOFTWARE ENGG, SIMULATION AND MODELLLING, , HRM, WT, , , , AND ALL HIGH SEM LECTURES

abisheknayal
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Sir i want to make assignment on convert eer model into relational data model
Can u help me
I m ready to pay u sir

MohitSharma-uccp