
Quiz sobre Bases de Datos
Authored by Eliannys hernandez
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36 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
¿Qué es una base de datos?
Una colección organizada de datos
Un hardware especializado
Una colección desorganizada de datos
Un tipo de software
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
¿Cuál de los siguientes es un componente de una base de datos relacional?
Índices
Archivos de texto
Imágenes
Documentos PDF
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
¿Qué permite un sistema de gestión de bases de datos (DBMS)?
Crear gráficos
Almacenar datos en papel
Eliminar datos automáticamente
Gestionar y recuperar información de manera eficiente
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
¿Cuál es una operación SQL utilizada para modificar datos?
SELECT
DELETE
INSERT
CREATE
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
¿Qué representan las claves primarias en una tabla?
Atributos de las entidades
Relaciones entre tablas
Índices de búsqueda
Identifican de manera única cada fila
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
¿Qué tipo de base de datos organiza los datos en tablas?
Base de datos jerárquica
Base de datos orientada a objetos
Base de datos relacional
Base de datos en la nube
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
¿Qué nivel de abstracción permite al cliente ver solo los productos?
Nivel externo
Nivel conceptual
Nivel físico
Nivel de datos
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