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Wirtschaftsinformatik > ERM-Modell > Flashcards

ERM-Modell Flashcards

1
Q

Symbolübersicht ERM

A

Siehe Ipad

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2
Q

Definition Fachkonzept

A

ERM/Entitytypen

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3
Q

Definition DV-Konzept

A

Tabellen

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4
Q

Defintion Implementierung

A

Tabellen malen (SQL, create table() )

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5
Q

Relationales Modell

A

Man kann sich das ERM Modell mit den einzelnen Entytäten als Tabelle vorstellen. Diese Tabelle in schriftlicher Form wird dann so aufgeschrieben (CSV Schreibweise)
nameentytät{schlüsselattribut1, schlüsselattribut2, attribut3)

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Wirtschaftsinformatik (4 decks)

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