Evaluación Diagnóstica Diseño de Bases de Datos

Quiz
•
Computers
•
10th Grade
•
Easy
Eladio Lopez
Used 3+ times
FREE Resource
22 questions
Show all answers
1.
OPEN ENDED QUESTION
1 min • Ungraded
Nombre Completo
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2.
OPEN ENDED QUESTION
1 min • Ungraded
Curso
Evaluate responses using AI:
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3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
¿Cuál es el propósito principal de un modelo entidad-relación (ER) en el diseño de bases de datos?
Crear interfaces de usuario
Definir el esquema de una base de datos a nivel conceptual
Optimizar consultas SQL
Generar reportes de bases de datos
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
En un modelo ER, ¿qué representa una entidad?
Un tipo de relación entre datos
Un objeto o concepto del mundo real que tiene importancia para la base de datos
Una restricción de integridad
Un atributo de un registro
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
¿Qué tipo de relación en un modelo ER permite que una entidad se relacione con múltiples instancias de otra entidad y viceversa?
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
¿Qué es una "clave primaria" en una base de datos?
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
¿Cuál es la función principal de una "clave foránea" en el diseño de bases de datos?
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