
TEMA 11 Bases de Datos
Authored by Elena MARTÍNEZ
Computers
12th Grade
Used 30+ times

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19 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué permiten hacer las bases de datos?
Diseñar sitios web
Almacenar y gestionar grandes cantidades de información
Crear redes de ordenadores
Mejorar el rendimiento de los procesadores
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el modelo de datos más utilizado en Microsoft Access?
Jerárquico
Orientado a objetos
Relacional
XML
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué elemento representa una fila en una tabla?
Campo
Relación
Registro o tupla
Entidad
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué elemento representa una columna en una tabla?
Tupla
Registro
Relación
Atributo o campo
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué tipo de clave identifica de forma única un registro?
Clave externa
Clave secundaria
Clave ajena
Clave primaria
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué tipo de clave conecta una tabla con otra?
Clave única
Clave primaria
Clave de orden
Clave ajena
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué nombre reciben los objetos sobre los que se almacena la información?
Claves
Entidades
Tablas
Atributos
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