Unterschiede
Hier werden die Unterschiede zwischen zwei Versionen angezeigt.
Beide Seiten der vorigen Revision Vorhergehende Überarbeitung Nächste Überarbeitung | Vorhergehende Überarbeitung | ||
modul:m290:learningunits:lu03:loesungen:l06 [2024/09/12 08:59] – vdemir | modul:m290:learningunits:lu03:loesungen:l06 [2024/10/02 15:12] (aktuell) – vdemir | ||
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===== Prerequisites | ===== Prerequisites | ||
Zeile 19: | Zeile 19: | ||
**Similarties** | **Similarties** | ||
- | * Both notation | + | * Both notation |
* Entity = rectangle | * Entity = rectangle | ||
* Cardinalities: | * Cardinalities: | ||
Zeile 28: | Zeile 28: | ||
* ERM: rhomb | * ERM: rhomb | ||
* ERD: relalation-table | * ERD: relalation-table | ||
- | * ERD: Attributes have not data-types | ||
* ERD: Described in the Crow's foot notation | * ERD: Described in the Crow's foot notation | ||
* Attributes: | * Attributes: | ||
Zeile 34: | Zeile 33: | ||
* ERD: As details in the Entity, including data-type | * ERD: As details in the Entity, including data-type | ||
* ERD: Memory amount is describes within the data-type defintion | * ERD: Memory amount is describes within the data-type defintion | ||
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===== Vocabulary ===== | ===== Vocabulary ===== |