
Quiz z SQL
Quiz
•
Information Technology (IT)
•
Professional Development
•
Practice Problem
•
Medium
Łukasz Cyrulewski
Used 6+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jakie zapytanie SQL zwraca wszystkie dane z tabeli klienci?
GET * FROM klienci;
SELECT ALL FROM klienci;
SELECT * FROM klienci;
DISPLAY klienci;
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Które polecenie służy do dodania nowego rekordu do tabeli produkty?
ADD produkt TO produkty;
INSERT INTO produkty VALUES (...);
NEW ROW produkty (...);
APPEND TO produkty (...);
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jakie zapytanie usunie wszystkich pracowników z tabeli pracownicy?
DELETE pracownicy;
DELETE * FROM pracownicy;
DELETE FROM pracownicy;
DROP pracownicy;
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jakie zapytanie zmienia nazwisko ucznia o id = 3 na 'Nowak'?
MODIFY uczniowie SET nazwisko='Nowak' WHERE id=3;
UPDATE uczniowie SET nazwisko='Nowak' WHERE id=3;
SET nazwisko='Nowak' IN uczniowie WHERE id=3;
CHANGE nazwisko TO 'Nowak' WHERE id=3;
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jakie polecenie tworzy tabelę klasy z kolumną id jako klucz główny?
MAKE TABLE klasy (id INT PRIMARY);
CREATE TABLE klasy (id INT PRIMARY KEY);
NEW TABLE klasy (id INTEGER UNIQUE);
TABLE klasy CREATE (id PRIMARY);
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Które z zapytań wybiera uczniów z klasy '4A'?
SELECT uczniowie WHERE klasa = '4A';
SELECT * FROM uczniowie WHERE klasa = '4A';
GET FROM uczniowie WITH klasa='4A';
WHERE klasa = '4A' SELECT * uczniowie;
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Które zapytanie tworzy relację między tabelami uczniowie i klasy?
JOIN uczniowie TO klasy;
CONNECT uczniowie.klasa_id WITH klasy.id;
SELECT * FROM uczniowie JOIN klasy ON uczniowie.klasa_id = klasy.id;
MERGE uczniowie AND klasy USING klasa_id;
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