Ako imamo dva skupa A={1,2,3} i B={3,4,5},
šta predstavlja rezultat operacije A∪B
u kontekstu SQL operacije UNION?
Četvrta godina inicijalni
Quiz
•
Computers
•
4th Grade
•
Hard
Aida Ninkovic
Used 4+ times
FREE Resource
28 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ako imamo dva skupa A={1,2,3} i B={3,4,5},
šta predstavlja rezultat operacije A∪B
u kontekstu SQL operacije UNION?
{1,2,3}
{3}
{1,2,3,4,5}
{4,5}
{1,2,4,5}
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Šta predstavlja rezultat skupa A∩B ako su A={x∣x>0 i x≤5} i B={x∣x>3 i x≤7}
u kontekstu SQL operacije INTERSECT?
{1,2,3}
{4,5}
{3,4,5}
{6,7}
{2,3,4}
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Data su dva skupa A={1,2,3,4} i B={3,4,5,6}.
Šta predstavlja rezultat operacije A∖B
u SQL kontekstu kao EXCEPT?
{1,2}
{3,4}
{5,6}
{1,2,3}
{4,5,6}
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Koji od sledećih pojmova se odnosi na jedinstvenu adresu u računarskoj mreži?
URL
IP adresa
MAC adresa
DNS
HTTP
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Koji internet protokol se najčešće koristi za slanje elektronske pošte?
FTTP
FTP
SMTP
IMAP
TCP
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Šta označava skraćenica HTTP?
HyperText Transfer Protocol
HyperText Transmission Protocol
HyperTransfer Text Protocol
HyperTransmission Transfer Protocol
HyperText Transport Protocol
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Koji od sledećih protokola se koristi za siguran prenos podataka preko interneta?
HTTP
FTP
HTTPS
SMTP
POP3
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