
SQL lekcja 1-4
Authored by Maciej Dąbrowski
Computers
6th Grade
Used 4+ times

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5 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Dana jest tabela Customer. Jak wyświetlić z niej tylko kolumny Name i Age?
SELECT FROM i inne słowa kluczowe z dużych liter! Nazwy np. kolumn z małych np age, name
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Do czego służy słowo kluczowe DISTINCT?
Do wyświetlania wyników (wierszy) bez duplikatów
Do ograniczenia liczby zwracanych wierszy
Do wyświetlania wszystkich wierszy razem z duplikatami
Nie ma takiego słowa kluczowego w języku SQL
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Dana jest tabela Customer. Wyświetl z niej całe wiersze w których są osoby niepełnoletnie:
SELECT FROM i inne słowa kluczowe z dużych liter! Nazwy np. kolumn z małych np. age, name
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dana jest tabela Customer. Jak wyświetlić z niej wszystkie miasta z "new" w nazwie?
SELECT * FROM Customer WHERE Address = "New";
SELECT * FROM Customer WHERE Address LIKE "%new%";
SELECT * FROM Customer WHERE Address LIKE "%new";
SELECT * FROM Customer WHERE Address = "New York";
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Dana jest tabela Customer. Wyświetl z niej pierwsze 3 rekordy przy użyciu LIMIT:
SELECT FROM i inne słowa kluczowe z dużych liter! Nazwy np. kolumn z małych np. age, name
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