Quiz sobre Consultas SQL

Quiz sobre Consultas SQL

12th Grade

10 Qs

quiz-placeholder

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Quiz sobre Consultas SQL

Quiz sobre Consultas SQL

Assessment

Quiz

Computers

12th Grade

Practice Problem

Easy

Created by

Gabriel Giusti

Used 2+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Cuál es la función del lenguaje DML en SQL?

Definir la estructura de la base de datos

Crear índices

Realizar copias de seguridad

Manipular los datos

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Qué instrucción se utiliza para obtener datos de una base de datos?

INSERT

UPDATE

DELETE

SELECT

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Qué operador se utiliza para comprobar si un valor está dentro de un rango?

IN

BETWEEN

LIKE

IS NULL

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Cuál es la sintaxis correcta para obtener todos los datos de una tabla llamada 'alumno'?

SELECT ALL FROM alumno;

SELECT * FROM alumno;

SELECT alumno;

SELECT ALL alumno;

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Qué cláusula se utiliza para ordenar los resultados de una consulta?

LIMIT

ORDER BY

GROUP BY

WHERE

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Qué función se utiliza para concatenar cadenas en MySQL?

LINK

MERGE

CONCAT

JOIN

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Qué operador se utiliza para comprobar si un valor es NULL?

IS NOT

NOT NULL

NULL

IS NULL

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