In ce consta modelarea unei baze de date?
Quiz 13 Proiectare

Quiz
•
Computers
•
Professional Development
•
Medium
Lucian Lazar
Used 22+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Organizarea datelor intr-un model
Stabilirea ce date dorim sa stocam
Stabilirea cum sa stocam acele date
Toate celelate variante
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este primul pas in proiectarea unei baze de date?
Sa stabilim ce fel de aplicatie urmeaza sa facem
Sa stabilim ce entitati urmeaza sa stocam
Sa stabilim structura tabelelor
Sa stabilim cheile primare si straine
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce atribute trebuie sa avem intr-o baza de date cand avem o relatie de tip one to many intre doua entitati?
Entitatea parinte trebuie sa contina atributul care identifica unic entitatea copil
Entitatea copil trebuie sa contina atributul care identifica unic entitatea parinte
Fiecare din cele doua entitati trebuie sa contina atributul care identifica unic cealalta entitate
Nici una din celelalte variante
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care va fi relatia dintre tabele atunci cand intre doua entitati avem o relatie de tip many to many?
O tabela va fi parinte si una copil
Vom avea o tabela de legatura intre cele doua tabele
Entitatile vor fi reprezentate printr-un singur tabel
Nici una din celelalte variante
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce atribute ale entitatilor alegem sa stocam in baza de date?
Toate atributele
Atributele relevante pentru aplicatia pe care o proiectam
Atributele care pot deveni chei primare sau straine
Atributele de tip numeric
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In modelul relational o coloana se mai numeste si?
Atribut
Relatie
Tuplu
Document
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este ordinea implicita a unei coloane in clauza ORDER BY?
Ne-ordonata
Nici una din celelalte variante
Descending
Ascending
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