
Sprawdzenie wiedzy z SQL
Quiz
•
Computers
•
5th Grade
•
Practice Problem
•
Easy
Piotr Skoczylas
Used 2+ times
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10 questions
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1.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Jakie polecenie SQL wykorzystamy w celu wyświetlenia danych w bazach danych?
2.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Jakie polecenie policzy ilość rekordów w tabeli?
3.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Jakie (krótsze) polecenie SQL wyczyści tabelę z danych, zachowując pustą tabelę?
4.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Jakie polecenie filtruje wyniki wyszukiwania, które używa się podczas poleceń agregujących (np. Group By)?
5.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Jakie polecenie usuwa obiekty w bazach danych SQL ?
6.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
W jaki sposób zapiszemy początek oraz koniec komentarza wielo-liniowego w SQL ?
7.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Jakie polecenie wprowadza nowy rekord do tabeli?
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