
Baze de date

Quiz
•
Computers
•
Professional Development
•
Hard
Mădălina Manole
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cine a propus modelul de date relațional în 1970?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cum sunt structurate logic datele în modelul de date relațional?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cum este reprezentată o entitate într-un model de date?
Printr-un dreptunghi cu colțurile rotunjite
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4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce înseamnă cardinalitatea unei relații într-o bază de date relațională?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce este o constrângere FOREIGN KEY într-o bază de date relațională?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce operații pot fi efectuate asupra datelor într-o bază de date relațională?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce reprezintă intensitatea unei relații într-o bază de date relațională?
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