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SQL: Verdadero o Falso (30 preguntas)

Yes or No

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About this activity

Quiz de conceptos clave sobre SQL

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Spain

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SQL: Verdadero o Falso (30 preguntas)
 

SQL: Verdadero o Falso (30 preguntas)Online version

Quiz de conceptos clave sobre SQL

by kirill kirillrivera
1

DML cubre la introducción y eliminación de datos.

2

Las claves primarias deben ser numéricas siempre (no pueden ser texto).

3

DCL abarca privilegios y gestión de permisos.

4

DQL incluye filtraje y uso de WHERE para seleccionar datos.

5

DROP TABLE CASCADE funciona correctamente en MySQL de forma general.

6

Las claves primarias pueden auto incrementarse (AUTO_INCREMENT).

7

JOIN sólo admite INNER JOIN y no existen otros tipos de JOIN.

8

HAVING se aplica antes de GROUP BY.

9

DDL no permite crear tablas.

10

DDL nos permite crear y modificar las estructuras dentro de una base de datos.

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