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Teste dein Wissen über die Deutsche Bahn mit diesem spannenden Quiz!

Created by

Luis Devia
Luis Devia
Colombia

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Teste dein Wissen über die Deutsche Bahn mit diesem spannenden Quiz!

by Luis Devia
1

En el contexto de una Base de Datos, trabajamos con SQLite y aprendimos a filtrar datos utilizando la cláusula WHERE. Para seleccionar los libros que no tienen un traductor asignado, usamos un operador específico que nos permite identificar valores nulos en una columna. ¿Qué operador se utilizó para seleccionar los libros sin traductor asignado?

2

¿Cuál es la función principal del comando SELECT en SQL?

3

¿Cuáles de los siguientes son operadores de comparación en SQL?

4

¿Cuál de los siguientes operadores se usa en SQLite para buscar coincidencias parciales en una columna de texto?

5

Un usuario quiere encontrar en la base de datos todos los libros que tengan en el título la palabra "historia", sin importar su posición en el título. ¿Qué operador debería usar?

6

En una base de datos de libros, ¿cuál sería el propósito de una clave foránea (FOREIGN KEY)?

7

¿Cuál de las siguientes consultas SQL selecciona todos los libros publicados entre 2010 y 2020 en SQLite?

8

¿Cuál de las siguientes consultas obtiene la cantidad total de libros en la base de datos?

9

¿Para qué se usa BETWEEN en SQL?

10

¿Para qué se usa el comando ORDER BY en SQL?

 
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