
SQL Operatory
Flashcard
•
Computers
•
11th Grade
•
Practice Problem
•
Easy
Agnieszka Rabenda
Used 1+ times
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6 questions
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1.
FLASHCARD QUESTION
Front
Operatory arytmetyczne: +, -, *, /
Back
Przykład: SELECT cena, cena * 0.2 AS podatek FROM produkty;
2.
FLASHCARD QUESTION
Front
Operatory porównania: =, !=, <, >, <=, >=
Back
Przykład: SELECT * FROM pracownicy WHERE wiek >= 30;
3.
FLASHCARD QUESTION
Front
Operatory logiczne: AND, OR, NOT
Back
Przykład: SELECT * FROM pracownicy WHERE wiek > 30 AND stanowisko = 'Kierownik';
4.
FLASHCARD QUESTION
Front
Operator BETWEEN
Back
Wartość w zakresie. Przykład: SELECT * FROM produkty WHERE cena BETWEEN 10 AND 50;
5.
FLASHCARD QUESTION
Front
Operator LIKE
Back
Wyszukiwanie wzorców. Przykład: SELECT * FROM pracownicy WHERE imie LIKE 'J%';
6.
FLASHCARD QUESTION
Front
Operator IN
Back
Wartość w zestawie. Przykład: SELECT * FROM produkty WHERE kategoria IN ('Elektronika', 'RTV');
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