
¿Cómo se estructura una base de datos? - Parte 2
Authored by Victoria Mendiberry
Computers
1st - 3rd Grade
Used 4+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Las tablas de hechos...
Indican cómo se quieren medir los datos.
Contienen lo que se quiere medir o analizar.
Tienen toda la información necesaria.
Todas son correctas.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué tipo de tabla representa la imagen?
Tabla de dimensión
Tabla de hechos
Ninguna de las dos
Tabla relacional
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuando las tablas de dimensiones se relacionan con una tabla de hechos y, a su vez, con otras tablas de dimensiones, el modelo se llama…
Modelo estrella
Modelo copo de nieve
Modelo desnormalizado
Modelo espiral
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Las claves primarias hacen que un registro sea unívoco
Verdadero
Falso
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un modelo relacional consiste en representar datos dinámicos mediante tablas que no pueden relacionarse.
Verdadero
Falso
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