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Quiz 14 Creare

Authored by Lucian Lazar

Computers

Professional Development

Used 19+ times

Quiz 14 Creare
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ce caracteristici are o cheie primara?

Identifica unic fiecare inregistrare

Nu suporta null

Poate fi setata pe o coloana sau pe o combinatie din mai multe coloane

Toate celelate variante

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ce caracteristici are o cheie straina?

Identifica unic fiecare inregistrare

Nu suporta null

Poate fi setata pe o coloana sau pe o combinatie din mai multe coloane

Referentiaza o cheie primara sau cheie cu valori unice din alta tabela

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In ce model putem proiecta o baza de date?

Model relational

Model de tip document

Model de tip graph

Toate celelate variante

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Care e cel mai folosit format pentru datele numerice in baza de date Oracle?

Integer

Number

Decimal

Big

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Comanda CREATE TABLE este o comanda de?

Transaction Control

Data Query

Data Definition

Data Manipulation

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Care este functia cu care afisam stringurile doar cu litere mari?

TRUNC

LOWER

ROUND

UPPER

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Care din urmatoarele functii de agregare pot primi o coloana ca si argument?

COUNT

SUM

AVG

Toate celelate variante

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