Co robi następujące polecenie SQL?
CREATE TABLE Products (ProductID INT PRIMARY KEY, ProductName VARCHAR(50));
1. Quiz z poleceń SQL_DDL_DML_DQL
Quiz
•
Information Technology (IT)
•
11th Grade
•
Easy
Agnieszka Rabenda
Used 9+ times
FREE Resource
19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Co robi następujące polecenie SQL?
CREATE TABLE Products (ProductID INT PRIMARY KEY, ProductName VARCHAR(50));
Wstawia nowy rekord do tabeli Products
Tworzy tabelę Products z kolumnami ProductID i ProductName
Usuwa tabelę Products
Aktualizuje nazwę kolumny w tabeli Products
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jakie polecenie usunie tabelę z bazy danych?
DELETE TABLE Users
DROP TABLE Users
REMOVE TABLE Users
TRUNCATE TABLE Users
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Które polecenie dodaje nową kolumnę do istniejącej tabeli?
ALTER TABLE Users ____ Age INT;
ADD
INSERT
MODIFY
CHANGE
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jakie polecenie służy do aktualizacji danych w tabeli?
UPDATE
MODIFY
CHANGE
ALTER
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Które polecenie wstawia nowy rekord do tabeli?
____ INTO Users (UserID, UserName) VALUES (1, 'Alice');
ADD
INSERT
UPDATE
SELECT
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Które polecenie SQL zwraca wszystkie rekordy z tabeli?
SELECT * FROM Employees ____;
WHERE
GROUP BY
ORDER BY
;
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Które zapytanie zwróci użytkowników starszych niż 30 lat?
SELECT * FROM Users WHERE Age > 30;
SELECT Users FROM Age WHERE Age > 30;
FETCH Users WHERE Age > 30;
GET Users OVER Age = 30;
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