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Froggy Jumps
Froggy Jumps

Diseño ER: Preguntas Clave

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Diseño ER: Preguntas Clave

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Quiz sobre Modelo Entidad-Relación

Created by

David Josué Juárez nieves
David Josué Juárez nieves
Mexico

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Diseño ER: Preguntas Clave
 

Froggy Jumps

Diseño ER: Preguntas ClaveOnline version

Quiz sobre Modelo Entidad-Relación

by David Josué Juárez nieves
1

¿En qué fase del diseño de una base de datos se entrevistan a los usuarios y se revisan formularios para entender las necesidades del negocio?

2

En un Diagrama Entidad-Relación (DER), ¿qué figura geométrica se utiliza para representar a las Entidades?

3

Si un Profesor puede impartir muchas Materias, pero una Materia es dictada por un solo Profesor principal, ¿qué tipo de cardinalidad existe?

4

¿Qué elemento del Modelo Entidad-Relación representa las características o propiedades de un objeto (como el Nombre o Correo de un Alumno)?

5

Un alumno tiene un único expediente médico, y ese expediente pertenece exclusivamente a ese alumno. ¿Qué cardinalidad aplica aquí?

6

¿Qué figura geométrica se utiliza en el diagrama para representar la Relación (el verbo o conexión) entre dos entidades?

7

¿Qué es una Clave Primaria (Primary Key) en el Modelo Entidad-Relación?

8

Cuando una relación de Muchos a Muchos (N:M) se pasa al diseño físico de una base de datos, ¿qué se requiere para resolverla correctamente?

9

¿Cuál de los siguientes es un ejemplo claro de un Atributo para la entidad "ALUMNO"?

10

¿Cuál es el propósito principal de establecer "reglas de negocio" durante la fase de análisis?

 
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