
SQL Questions Quiz

Quiz
•
Information Technology (IT)
•
11th Grade
•
Hard
Dolores Justo
Used 1+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué instrucción SQL se utiliza para crear una nueva tabla llamada "cars" con las columnas "brand" y "model"?
CREATE DATABASE cars (brand VARCHAR(255), model VARCHAR(255));
CREATE TABLE cars (brand VARCHAR(255), model VARCHAR(255));
CREATE cars TABLE (brand VARCHAR(255), model VARCHAR(255));
CREATE NEW TABLE cars (brand VARCHAR(255), model VARCHAR(255));
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2️⃣ ¿Cómo seleccionarías todas las columnas de la tabla "customers"?
SELECT all FROM customers;
SELECT * FROM customers;
SELECT customers FROM *;
SELECT ALL COLUMNS FROM customers;
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3️⃣ ¿Qué cláusula se utiliza para filtrar los resultados de una consulta en PostgreSQL?
ORDER BY
GROUP BY
WHERE
HAVING
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4️⃣ ¿Cómo ordenarías los resultados de la tabla "products" por el campo "price" de menor a mayor?
SELECT * FROM products ORDER BY price DESC;
SELECT * FROM products ORDER BY price ASC;
SELECT * FROM products SORT BY price;
SELECT * FROM products GROUP BY price;
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5️⃣ ¿Qué operador se utiliza para comparar si un valor está dentro de un conjunto específico de valores?
BETWEEN
LIKE
IN
EXISTS
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6️⃣ ¿Cuál es la función de agregación que devuelve el número total de filas en un conjunto de resultados?
SUM()
COUNT()
AVG()
TOTAL()
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7️⃣ ¿Qué instrucción SQL se utiliza para eliminar una tabla llamada "orders"?
DELETE TABLE orders;
DROP TABLE orders;
REMOVE TABLE orders;
TRUNCATE TABLE orders;
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