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Normalización de BD: Verdadero o Falso

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Normalización de BD: Verdadero o Falso

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Desafío corto sobre normalización

Created by

Azucena Arias Reyes
Azucena Arias Reyes
Costa Rica

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Normalización de BD: Verdadero o Falso
 

Normalización de BD: Verdadero o FalsoOnline version

Desafío corto sobre normalización

by Azucena Arias Reyes
1

La normalización nunca descompone tablas en más de dos tablas, siempre se mantiene en dos.

2

La desnormalización, si se planifica, puede mejorar el rendimiento de consultas y reducir uniones.

3

La normalización reduce la redundancia de datos y evita las anomalías de inserción, actualización y eliminación.

4

BCNF es una versión más estricta de la tercera forma normal (3NF) propuesta por Boyce y Codd en 1974.

5

Desnormalización siempre reduce el rendimiento; nunca mejora la velocidad de las consultas.

6

5NF garantiza que no existan ningún tipo de necesidad de unir tablas para reconstruir la información.

7

5NF aborda las dependencias de unión para asegurar una descomposición sin pérdida de información.

 
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