
GDI1 Test 1
Authored by ERIC GUSTAVO CORONEL CASTILLO
Computers
Professional Development
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una base de datos es:
Representación simbólica (numérica, alfabética, algorítmica etc.) de un atributo o una característica de una entidad
Colección de datos y objetos estructurados e interrelacionados, sobre un tema o propósito específico.
Conjunto de programas para acceder a datos.
Aplicación utilizada para capturar información.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Campo particular dentro del registro, que permite la identificación exclusiva y unívoca de cada registro
Primary Key
Clave foránea
Relación
Dato
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuáles son los componentes de una tabla en base de datos.?
Filas y columnas
Campos y Registros
Filas y Campos
Tablas y datos.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gestores de una base de datos
a) Es un conjunto de programas que permiten el almacenamiento, modificación y extracción de la información en una base de datos.
b) sistemas de secuencias
c) Informaciones de empresas para publicar.
d) Na.
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
El Modelo entidad relación es un modelo de tipo:
Lógico
Conceptual
Físico
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Es la representación de un objeto real o abstracto en el Modelo Entidad-Relación
Entidad
Relación
Atributo
Cardinalidad
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
En una entidad se puede elegir más de una clave principal
Verdadero
Falso
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