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Quiz de Bases de Datos: Recap

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If you wish, you can download a demo game here and test its integration:

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Quiz de Bases de Datos: Recap

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About this activity

Recap final con respuestas.

Created by

Natali Meléndez
Natali Meléndez
Mexico

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Quiz de Bases de Datos: Recap
 

Quiz de Bases de Datos: RecapOnline version

Recap final con respuestas.

by Natali Meléndez
1

¿Qué es una base de datos relacional?

2

¿Qué es una clave primaria?

3

¿Qué garantiza ACID en una transacción?

4

¿Qué es una clave foránea?

5

¿Qué función tiene un índice en una base de datos?

6

¿Qué describe un JOIN en SQL?

7

¿Qué es la normalización en bases de datos?

8

¿Qué diferencia a DDL de DML?

9

¿Qué tipo de join devuelve filas cuando hay coincidencia?

10

¿Qué es una transacción en base de datos?

Explicación

Las tablas se conectan por claves y relaciones.

Debe identificar de forma única cada registro sin duplicados.

ACID asegura fiabilidad de transacciones.

Permite relaciones entre tablas distintas.

Los índices optimizan la localización de datos.

Se usan para consultar datos relacionados.

Elimina redundancias para consistencia.

DDL: CREATE/ALTER/DROP; DML: SELECT/INSERT/UPDATE/DELETE.

Inner join devuelve solo coincidencias.

Se ejecuta con propiedades ACID para asegurar integridad.

 
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