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Datos Relacionales: Verdadero o Falso

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Desafía tu comprensión de datos relacionales

Created by

ANGEL ALBERTO ROJO ALFARO
ANGEL ALBERTO ROJO ALFARO
Mexico

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Datos Relacionales: Verdadero o Falso
 

Datos Relacionales: Verdadero o FalsoOnline version

Desafía tu comprensión de datos relacionales

by ANGEL ALBERTO ROJO ALFARO
1

Una tabla de una base de datos relacional no puede tener más de 100 columnas.

2

Una relación uno a muchos se da cuando una fila de la tabla padre se asocia con muchas filas de la tabla hija.

3

Las bases de datos relacionales organizan datos en tablas.

4

Las claves foráneas permiten establecer relaciones entre tablas.

5

SQL se utiliza para consultar y gestionar bases de datos relacionales.

6

Una clave foránea no puede contener valores nulos.

7

El lenguaje SQL solo permite consultar datos, nunca insertar o actualizar.

8

Una clave primaria identifica de forma única cada fila en una tabla.

9

Todas las relaciones entre tablas deben ser de uno a uno.

10

En una base de datos relacional, una fila puede existir sin columnas.

 
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