SQL Questions Quiz

SQL Questions Quiz

11th Grade

15 Qs

quiz-placeholder

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SQL Questions Quiz

SQL Questions Quiz

Assessment

Quiz

Information Technology (IT)

11th Grade

Practice Problem

Hard

Created by

Dolores Justo

Used 1+ times

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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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