Quiz 13 Proiectare

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Quiz 13 Proiectare

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Assessment

Quiz

Computers

Professional Development

Medium

Created by

Lucian Lazar

Used 22+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In ce consta modelarea unei baze de date?

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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