
Unidad II. Modelo E-R
Authored by Guadalupe Federico
Computers
University
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20 questions
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1.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
El Modelo Entidad- Relación esta conformado por :
registro
columna
Entidades
Relación
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Tipo de Entidad: se distinguen a simple vista, la mayoría son tangibles. Como el automóvil.
Entidad Concreta
Entidad Simple
Entidad Binaria
Entidad Abstracta
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
En el diagrama ¿cuál es la llave primaria?
Id_cliente
Clientes
Nombre
Edad
Género
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La cantidad de entidades con la cual otra entidad puede asociarse, Es muy útil para describir el conjunto de relaciones binarias
ENTIDAD
ATRIBUTO
RELACION
CARDINALIDAD
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Propiedad o característica (adjetivo) que describen a una entidad
Entidad
Cardinalidad
llave Primaria
Atributo
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Esta figura representa el conjunto de entidades:
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Para representar un atributo hay que escribir su nombre en singular, en mayúsculas y de forma opcional
Falso
Verdadero
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