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9° - Modelos de Bases de Datos

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Evaluación sobre el tema de Modelos y conceptos clave

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Colombia

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9° - Modelos de Bases de Datos
 

9° - Modelos de Bases de DatosOnline version

Evaluación sobre el tema de Modelos y conceptos clave

by Leonardo Fernandez
1

¿Qué describe principalmente un modelo de bases de datos?

2

¿Cuál es una característica de las bases de datos jerárquicas?

3

En las bases de datos en red, ¿qué se permite respecto a nodos?

4

¿Qué afirma el modelo relacional básico introducido por Codd?

5

En el modelo relacional, ¿qué representan las filas y columnas de una tabla?

6

¿Qué lenguaje se usa habitualmente para consultas en bases de datos relacionales?

7

¿Qué ventaja tiene el modelo relacional sobre otros en cuanto a uso?

8

¿Qué tipo de bases de datos se describe como orientadas a objetos?

9

¿Qué característica distinguidora tienen las bases de datos documentales?

10

Los niveles que caracterizán al modelo Jerárquico son:

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