Funkcje SQL

Quiz
•
Computers
•
Professional Development
•
Medium
Kinga Kołodziej
Used 2+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Co robi polecenie CONCAT()?
Sortuje wyniki zapytania alfabetycznie
Łączy dwa pola tekstowe w bazie danych
Dodaje dwie liczby całkowite
Tworzy nową tabelę poprzez kopiowanie danych innych tabel
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Co robi polecenie CONCAT_WS()?
Łączy dwa pola tekstowe ignorując białe znaki
Łączy wartości z kilku kolumn w jedno pole tekstowe, oddzielając je separatorem
Łączy wartości z różnych wierszy w jedną kolumnę
Dodaje liczby z dwóch kolumn i zwraca wynik w nowej kolumnie
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Co robi polecenie REVERSE?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Co robi polecenie LEFT()?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Co robi polecenie RIGHT()?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Co robi polecenie LENGTH()?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Co robi polecenie LPAD()?
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