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Quiz ER: Conceptos iniciales

Froggy Jumps

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Preguntas sobre conceptos ER básicos.

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Spain

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Quiz ER: Conceptos iniciales
 

Froggy Jumps

Quiz ER: Conceptos inicialesOnline version

Preguntas sobre conceptos ER básicos.

by Profesor Informática
1

¿Qué representa una entidad en un modelo ER?

2

¿Qué describe una relación en un ER?

3

¿Qué es un atributo en el modelo ER?

4

¿Qué es la clave primaria?

5

¿Qué significa cardinalidad en ER?

6

La fecha de nacimiento es ...

7

Un alumno es ...

8

Número de teléfono es ...

9

Un libro es...

10

¿Qué es un diagrama ER?

11

La clave primaria de un profesor sería

12

Cuál sería la mejor clave primaria de la entidad Libro

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