Modelo Entidad Relacion
Authored by Santiago Rodriguez
Instructional Technology
10th Grade
Used 4+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué representa un modelo de datos?
Una representación gráfica del mundo real
Una lista de atributos
Un conjunto de claves primarias
Una base de datos vacía
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué tipo de elemento describe una característica particular de una entidad?
Entidad
Atributo
Relación
Cardinalidad
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué forma geométrica representa una entidad en un diagrama E/R?
Rombo
Óvalo
Rectángulo
Triángulo
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué forma geométrica representa un atributo?
Rectángulo
Rombo
Óvalo
Línea discontinua
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué tipo de atributo se compone de otros atributos?
Atributo simple
Atributo compuesto
Atributo multivaluado
Atributo clave
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué atributo puede tener más de un valor a la vez?
Atributo clave
Atributo derivado
Atributo compuesto
Atributo multivaluado
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se representa un atributo derivado?
Óvalo con línea discontinua
Rombo
Rectángulo con borde grueso
Subrayado
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