
Quiz sobre SQL y operaciones en bases de datos
Quiz
•
Computers
•
Professional Development
•
Practice Problem
•
Hard
Juan Rivera
FREE Resource
Enhance your content in a minute
19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué comando se utiliza para seleccionar una base de datos en SQL?
INSERT
DELETE
SELECT
USE
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de las siguientes operaciones no forma parte de las operaciones CRUD?
CREATE
UPDATE
READ
FILTER
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué consulta se utiliza para leer todos los datos de la tabla 'usuarios'?
SELECT id_persona FROM usuarios;
SELECT edad FROM usuarios;
SELECT * FROM usuarios;
SELECT nombre FROM usuarios;
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué significa el asterisco (*) en una consulta SQL?
Seleccionar una columna
Seleccionar una fila
Seleccionar ninguna columna
Seleccionar todas las columnas
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se renombra una columna en una consulta SQL?
NOMBRE
RENOMBRAR
AS
USANDO
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué hace la cláusula ORDER BY en una consulta SQL?
Agrupa los resultados
Selecciona los resultados
Ordena los resultados
Filtra los resultados
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué palabra clave se utiliza para limitar la cantidad de registros devueltos en una consulta?
MAX
RESTRICT
LIMIT
COUNT
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