FIT Baze 2

Quiz
•
Computers
•
University
•
Medium
Dražena Gašpar
Used 2+ times
FREE Resource
6 questions
Show all answers
1.
OPEN ENDED QUESTION
2 mins • 1 pt
1. Što je baza podataka?
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2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Što je osnovna prednost baza podatka u odnosu na datoteke? (1 odgovor je točan)
Baze omogućavaju strukturiranje podataka
Struktura datoteka se ne može mijenjati
U trajnosti pohranjivanja podataka
U ovisnosti o programima koji ih kreiraju
U načinu pristupa podacima
3.
OPEN ENDED QUESTION
2 mins • 1 pt
Što je osnovna svrha (zadaća) primarnog ključa?
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4.
OPEN ENDED QUESTION
2 mins • 1 pt
Što je osnovna svrha (zadaća) stranog (vanjskog) ključa?
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5.
OPEN ENDED QUESTION
2 mins • 1 pt
Što omogućuje spajanje relacija/tablica u relacijskim bazama podataka?
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6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Ograničenja (engl. constraints) u relacijskom modelu podataka su (1 odgovor je točan):
Ograničenja vrijednosti atributa ili kombinacija atributa koja je dozvoljena.
Dozvoljeni tipovi podataka za atribute relacije
Domenska ograničenja definirana za atribute relacije
Vrijednosti svih atributa u relaciji
Ograničenje duljine podataka za atribute relacije
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