Ce caracteristici are o cheie primara?
Quiz 14 Creare

Quiz
•
Computers
•
Professional Development
•
Easy
Lucian Lazar
Used 19+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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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