ISDATut04
Quiz
•
Computers, Science, Business
•
University
•
Practice Problem
•
Medium
Aaron Kurz
Used 10+ times
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17 questions
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1.
OPEN ENDED QUESTION
1 min • 1 pt
Um was geht es beim relationalen Entwurf?
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2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Konzeptuell ist eine Datenbank eine Menge von ___
Entities
Relationships
Tabellen
SQLs
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wie bezeichnet man das?
Relation
Relationenschema
Tupel
Attribut
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wie bezeichnet man das?
Relation
Relationenschema
Tupel
Attribut
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wie nennt man eine Menge von Tupeln im Falle von Datenbanken auch?
Relation
Relationenschema
Tupel
Attribut
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wer gilt als der Erfinder des Relationalen Modells für das Datenbankmanagement?
George B. Dantzig
Sergei N. Bernstein
Chris J. Date
Edgar F. Codd
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Was sind die Ziele der ER-Abbilding
Darstellung aller Informationen des ER-Diagramms
Exaktheit
Erweiterung um Constraints, die im ER-Diagramm nicht dargestellt werden konnten
Erhaltung und Einhaltung der Informationskapazität
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