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Bases de Datos: Verdadero o Falso

Yes or No

Played 14

About this activity

Resuelve 10 enunciados sobre bases de datos.

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El Salvador

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Bases de Datos: Verdadero o Falso
 

Bases de Datos: Verdadero o FalsoOnline version

Resuelve 10 enunciados sobre bases de datos.

by VICTOR HUGO SOSA FIGUEROA
1

Las claves foráneas pueden faltar sin afectar la integridad referencial.

2

Una tabla puede no tener ninguna clave primaria y aun así ser compatible con la normalización.

3

Las vistas almacenan datos de forma permanente en disco.

4

SQL se usa para consultar y gestionar datos.

5

Una base de datos es un conjunto de datos estructurados almacenados.

6

El modelo relacional usa tablas con filas y columnas.

7

Las claves primarias identifican de forma única cada fila.

8

Las transacciones siguen propiedades ACID.

9

Un índice siempre duplica datos en disco para acelerar consultas.

10

No se puede hacer un backup incremental en bases de datos relacionales.

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