Jedan atribut čini '(jednostavan) ključ', a više atributa čine 'kompozitni' ključ.
Baza podataka / ponavljanje 6

Quiz
•
Computers
•
10th Grade
•
Easy
Marta Ocvirk
Used 5+ times
FREE Resource
18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Točno
Netočno
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Bazu podataka u osnovi sačinjavaju jedna ili više _______ u koje spremamo podatke, ali tako da rad s podatcima bude maksimalno učinkovit!
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Da bismo tablice međusobno povezali u svakoj tablici moramo imati jedan atribut koje će nam osigurati jedinstvenost svakog retka u tablici.
Takav jedinstven atribut naziva se ________ ____!
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Vanjski ili strani ključ su atributi koji poprimaju vrijednosti sekundarnog ključa kako bismo uspješno povezali više baza podataka međusobno?
Točno
Netočno
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Osnovni elementi baze podataka nazivaju se ENTITETI!
Točno
Netočno
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Svaki entitet je opisan određenim svojstvom. To svojstvo se naziva? _______
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Entitet može biti realan objekt, apstraktan sadržaj, događaj ili odnos. Po vašem mišljenju, koji od sljedećih entiteta je ODNOS.
kuća
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