
Bases de Datos y MySQL
Authored by CESAR MENDOZA
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University
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué es una base de datos?
Un sistema que almacena, organiza y maneja grandes cantidades de datos.
Un software para editar imágenes.
Un tipo de archivo de texto.
Un lenguaje de programación.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el propósito de una clave primaria en una tabla de base de datos?
Asegurar que cada registro en la tabla sea único.
Relacionar dos tablas.
Definir un tipo de dato para las columnas.
Organizar las consultas de manera más eficiente.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué comando se usa para crear una tabla en MySQL?
CREATE DATABASE
CREATE TABLE
ADD TABLE
NEW TABLE
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la consulta SQL para seleccionar todos los registros de una tabla llamada clientes?
SELECT ALL FROM clientes;
SELECT * FROM clientes;
GET ALL FROM clientes;
FIND * FROM clientes;
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué hace un JOIN en SQL?
Combina dos o más tablas en una consulta.
Elimina datos duplicados de una tabla.
Crea una nueva base de datos.
Muestra solo registros con valores nulos.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué comando se usa para eliminar datos de una tabla en MySQL?
REMOVE
DELETE
DROP
REMOVE ROW
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué comando SQL se utiliza para actualizar registros en una tabla?
MODIFY
UPDATE
ALTER
CHANGE
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