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Desafío de Bases de Datos

Froggy Jumps

Played 1

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Preguntas rápidas sobre bases de datos

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Mexico

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Desafío de Bases de Datos
 

Froggy Jumps

Desafío de Bases de DatosOnline version

Preguntas rápidas sobre bases de datos

by Esteban Quito
1

¿Qué significa SQL?

2

¿Qué es una clave primaria?

3

¿Qué es una clave foránea?

4

¿Qué describe mejor una relación en un modelo relacional?

5

¿Qué norma evita la duplicación de datos?

6

¿Qué tipo de JOIN reúne filas con coincidencias?

7

¿Qué es una transacción ACID?

8

¿Qué indica una clave primaria compuesta?

9

¿Qué problema resuelve un índice?

10

En un diagrama ER, ¿qué representa una entidad?

11

¿Qué es la normalización en BD?

12

¿Que es 1NF?

13

¿Qué tipo de anomalía se produce cuando no se puede insertar un nuevo registro porque falta información relacionada?

14

El objetivo principal de la Tercera Forma Normal (3FN) es:

15

¿Qué requiere la Segunda Forma Normal (2FN) de una tabla?

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