
Quiz_Bases_de_datos
Authored by Juan Castillo
Computers
Professional Development
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6 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Un diagrama entidad relación se compone de... (respuesta múltiple)
Entidades
Relaciones
Atributos
Clasificaciones
Reacciones
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
"Un cliente puede tener múltiples pedidos" es una relación con cardinalidad
1 : *
1 : 1
* : *
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La tabla de ciudad y la tabla de descripción de ciudad, se relacionan con una cardinalidad de
* : *
1:1
1 : *
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un canal de youtube puede tener muchos subscriptores, pero a su vez un subscriptor puede subscribirse a muchos canales de youtube... Esta es una relación de :
* : *
1 : 1
1 : *
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Normalizar una base de datos ayuda a
Reducir la redundancia
Disminuir los tiempos de procesamiento
Crear menos relaciones
Crear menos tablas
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Al desnormalizar una base de datos podemos ayudar a
Aumentar la velocidad de respuesta
Disminuir la velocidad de respuesta
Tener más tablas
Tener más relaciones
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