Preguntas sobre SQL y C#
Quiz
•
Engineering
•
University
•
Practice Problem
•
Easy
Waleska Leon
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué es SQL Server?
Un editor de texto
Un lenguaje de programación
Un sistema de gestión de bases de datos
Un sistema operativo
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de los siguientes tipos es usado para almacenar texto de longitud variable?
CHAR
VARCHAR
INT
DATE
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué instrucción se utiliza para consultar datos?
INSERT
SELECT
DELETE
UPDATE
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la función del comando `INSERT INTO`?
Insertar datos en una tabla
Eliminar registros
Crear una base de datos
Consultar registros
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué operador lógico se usa para combinar dos condiciones que deben cumplirse?
NOT
OR
AND
IN
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué hace la cláusula `WHERE` en una sentencia SQL?
Filtra los resultados
Ordena los resultados
Elimina una tabla
Crea una vista
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué diferencia hay entre DELETE y TRUNCATE?
TRUNCATE permite filtrar registros
DELETE permite usar WHERE, TRUNCATE no
DELETE elimina toda la tabla
Son idénticos
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