
Bases de Datos I
Authored by Enrique Rosales
Computers
University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Modelar es definir un mundo abstracto y teórico cuyas conclusiones coincidan con el mudo real.
Falso
Verdadero
2.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Un Modelo de Datos es un software que facilita la interpretación del universo del discurso
Falso
Verdadero
3.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Los modelos conceptuales describen el mundo real sin depender del SGBD
Falso
Verdadero
4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Los modelos lógicos, como el relacional, se implementan en los SGBD
Falso
Verdadero
5.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Facilitan la descripción del conjunto de información con independencia de la máquina.
Modelos lógicos
Modelos conceptuales
Modelos matemáticos
Modelos relacionales
6.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
El modelo de datos es el instrumento que se aplica a los datos para obtener:
El modelo conceptual
El modelo lógico
La estructura de datos o esquema
Eso no lo vimos
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Contempla aquellas propiedades del universo del discurso que son invariantes en el tiempo.
MD={S,O}
Componente dinámica
Componente estática
Modelo estático.
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